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157656742336120 = 2357949891374157
BaseRepresentation
bin100011110110001101010010…
…000111111001011001111000
3202200012211121110000011022111
4203312031102013321121320
5131131022002014223440
61315150301345102104
745131216021602156
oct4366152207713170
9680184543004274
10157656742336120
1146263937a45065
1215822b24027934
1369c7c756a0851
142ad08ac8703d6
1513360312104ea
hex8f63521f9678

157656742336120 has 32 divisors (see below), whose sum is σ = 359217893937600. Its totient is φ = 62264434946688.

The previous prime is 157656742336117. The next prime is 157656742336259. The reversal of 157656742336120 is 21633247656751.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24945683919 + ... + 24945690238.

It is an arithmetic number, because the mean of its divisors is an integer number (11225559185550).

Almost surely, 2157656742336120 is an apocalyptic number.

157656742336120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157656742336120 is an abundant number, since it is smaller than the sum of its proper divisors (201561151601480).

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

157656742336120 is a wasteful number, since it uses less digits than its factorization.

157656742336120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49891374247 (or 49891374243 counting only the distinct ones).

The product of its (nonzero) digits is 38102400, while the sum is 58.

The spelling of 157656742336120 in words is "one hundred fifty-seven trillion, six hundred fifty-six billion, seven hundred forty-two million, three hundred thirty-six thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 79 158 316 395 632 790 1580 3160 49891374157 99782748314 199565496628 249456870785 399130993256 498913741570 997827483140 1995654966280 3941418558403 7882837116806 15765674233612 19707092792015 31531348467224 39414185584030 78828371168060 157656742336120