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122343131351420 = 22578310528668791
BaseRepresentation
bin11011110100010100111010…
…111000101000100101111100
3121001011220000011210120202122
4123310110322320220211330
5112013432213111221140
61112111354133342112
734524666563101040
oct3364247270504574
9531156004716678
10122343131351420
1135a89481194a71
121187ab03197938
135335ba5526355
14222d621068020
15e2265b666ab5
hex6f453ae2897c

122343131351420 has 48 divisors (see below), whose sum is σ = 297161147985408. Its totient is φ = 41440840357440.

The previous prime is 122343131351401. The next prime is 122343131351489. The reversal of 122343131351420 is 24153131343221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5264322776 + ... + 5264346015.

It is an arithmetic number, because the mean of its divisors is an integer number (6190857249696).

Almost surely, 2122343131351420 is an apocalyptic number.

122343131351420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122343131351420 is an abundant number, since it is smaller than the sum of its proper divisors (174818016633988).

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

122343131351420 is a wasteful number, since it uses less digits than its factorization.

122343131351420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10528668890 (or 10528668888 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 122343131351420 its reverse (24153131343221), we get a palindrome (146496262694641).

The spelling of 122343131351420 in words is "one hundred twenty-two trillion, three hundred forty-three billion, one hundred thirty-one million, three hundred fifty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 83 140 166 332 415 581 830 1162 1660 2324 2905 5810 11620 10528668791 21057337582 42114675164 52643343955 73700681537 105286687910 147401363074 210573375820 294802726148 368503407685 737006815370 873879509653 1474013630740 1747759019306 3495518038612 4369397548265 6117156567571 8738795096530 12234313135142 17477590193060 24468626270284 30585782837855 61171565675710 122343131351420