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143243020104 = 23331478946027
BaseRepresentation
bin1000010101100111110…
…0110000011101001000
3111200201212000100222220
42011121330300131020
54321330203120404
6145445511014040
713230460403262
oct2053174603510
9450655010886
10143243020104
1155826a50148
122391796a320
131067a713bc2
146d0c214b32
153ad57bb4d9
hex2159f30748

143243020104 has 128 divisors (see below), whose sum is σ = 381774643200. Its totient is φ = 44715179520.

The previous prime is 143243020103. The next prime is 143243020111. The reversal of 143243020104 is 401020342341.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (143243020103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3089139 + ... + 3135165.

It is an arithmetic number, because the mean of its divisors is an integer number (2982614400).

Almost surely, 2143243020104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143243020104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190887321600).

143243020104 is an abundant number, since it is smaller than the sum of its proper divisors (238531623096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143243020104 is a wasteful number, since it uses less digits than its factorization.

143243020104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46203 (or 46199 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 143243020104 its reverse (401020342341), we get a palindrome (544263362445).

The spelling of 143243020104 in words is "one hundred forty-three billion, two hundred forty-three million, twenty thousand, one hundred four".

Divisors: 1 2 3 4 6 8 12 24 31 47 62 89 93 94 124 141 178 186 188 248 267 282 356 372 376 534 564 712 744 1068 1128 1457 2136 2759 2914 4183 4371 5518 5828 8277 8366 8742 11036 11656 12549 16554 16732 17484 22072 25098 33108 33464 34968 46027 50196 66216 92054 100392 129673 138081 184108 259346 276162 368216 389019 518692 552324 778038 1037384 1104648 1426837 1556076 2163269 2853674 3112152 4096403 4280511 4326538 5707348 6489807 8192806 8561022 8653076 11414696 12289209 12979614 16385612 17122044 17306152 24578418 25959228 32771224 34244088 49156836 51918456 67061339 98313672 126988493 134122678 192530941 201184017 253976986 268245356 380965479 385061882 402368034 507953972 536490712 577592823 761930958 770123764 804736068 1015907944 1155185646 1523861916 1540247528 1609472136 2310371292 3047723832 4620742584 5968459171 11936918342 17905377513 23873836684 35810755026 47747673368 71621510052 143243020104