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157688112924 = 22325134385313
BaseRepresentation
bin1001001011011011110…
…0011010011100011100
3120002000120000010010200
42102312330122130130
510040421124103144
6200235123303500
714251441562436
oct2226674323434
9502016003120
10157688112924
1160969913191
122668951ab90
1311b402c1cc4
1478bc86d656
15417da1dc69
hex24b6f1a71c

157688112924 has 36 divisors (see below), whose sum is σ = 398612943456. Its totient is φ = 52561064448.

The previous prime is 157688112863. The next prime is 157688112929. The reversal of 157688112924 is 429211886751.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157688112929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1805692 + ... + 1891004.

Almost surely, 2157688112924 is an apocalyptic number.

It is an amenable number.

157688112924 is an abundant number, since it is smaller than the sum of its proper divisors (240924830532).

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

157688112924 is a wasteful number, since it uses less digits than its factorization.

157688112924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136666 (or 136661 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 54.

The spelling of 157688112924 in words is "one hundred fifty-seven billion, six hundred eighty-eight million, one hundred twelve thousand, nine hundred twenty-four".

Divisors: 1 2 3 4 6 9 12 18 36 51343 85313 102686 154029 170626 205372 255939 308058 341252 462087 511878 616116 767817 924174 1023756 1535634 1848348 3071268 4380225359 8760450718 13140676077 17520901436 26281352154 39422028231 52562704308 78844056462 157688112924