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131435075072 = 297291264577
BaseRepresentation
bin111101001101000100…
…1000001011000000000
3110120020221021121112102
41322122021001120000
54123134334400242
6140214101445532
712332040463460
oct1723211013000
9416227247472
10131435075072
1150817745294
12215814108a8
13c5182b4292
14650bd0bba0
153643d35e32
hex1e9a241600

131435075072 has 80 divisors (see below), whose sum is σ = 310479190560. Its totient is φ = 54386884608.

The previous prime is 131435075027. The next prime is 131435075087. The reversal of 131435075072 is 270570534131.

It is a happy number.

It is a super-3 number, since 3×1314350750723 (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528353 + ... + 736224.

It is an arithmetic number, because the mean of its divisors is an integer number (3880989882).

Almost surely, 2131435075072 is an apocalyptic number.

It is an amenable number.

131435075072 is an abundant number, since it is smaller than the sum of its proper divisors (179044115488).

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

131435075072 is an equidigital number, since it uses as much as digits as its factorization.

131435075072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264631 (or 1264615 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 38.

The spelling of 131435075072 in words is "one hundred thirty-one billion, four hundred thirty-five million, seventy-five thousand, seventy-two".

Divisors: 1 2 4 7 8 14 16 28 29 32 56 58 64 112 116 128 203 224 232 256 406 448 464 512 812 896 928 1624 1792 1856 3248 3584 3712 6496 7424 12992 14848 25984 51968 103936 1264577 2529154 5058308 8852039 10116616 17704078 20233232 35408156 36672733 40466464 70816312 73345466 80932928 141632624 146690932 161865856 256709131 283265248 293381864 323731712 513418262 566530496 586763728 647463424 1026836524 1133060992 1173527456 2053673048 2266121984 2347054912 4107346096 4532243968 4694109824 8214692192 9388219648 16429384384 18776439296 32858768768 65717537536 131435075072