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156159644160 = 29351319191431
BaseRepresentation
bin1001000101101111010…
…1110001001000000000
3112221002000220212011110
42101123311301020000
510024303332103120
6155423323043320
714165532034332
oct2213365611000
9487060825143
10156159644160
1160255058a63
1226321670540
1311958742a10
1477b5879452
1540de74e2e0
hex245bd71200

156159644160 has 640 divisors, whose sum is σ = 570203504640. Its totient is φ = 36141465600.

The previous prime is 156159644159. The next prime is 156159644177. The reversal of 156159644160 is 61446951651.

156159644160 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 362319145 + ... + 362319575.

It is an arithmetic number, because the mean of its divisors is an integer number (890942976).

Almost surely, 2156159644160 is an apocalyptic number.

156159644160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156159644160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285101752320).

156159644160 is an abundant number, since it is smaller than the sum of its proper divisors (414043860480).

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

156159644160 is a wasteful number, since it uses less digits than its factorization.

156159644160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680 (or 664 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 48.

The spelling of 156159644160 in words is "one hundred fifty-six billion, one hundred fifty-nine million, six hundred forty-four thousand, one hundred sixty".