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156234836640 = 25352931794583
BaseRepresentation
bin1001000110000001010…
…0100110101010100000
3112221021021102000212010
42101200110212222200
510024432104233030
6155435010432520
714200434125361
oct2214024465240
9487237360763
10156234836640
1160293546203
1226342892740
131196b1abacc
1477c184db68
1540e61536b0
hex2460526aa0

156234836640 has 384 divisors, whose sum is σ = 532301414400. Its totient is φ = 38427217920.

The previous prime is 156234836623. The next prime is 156234836657. The reversal of 156234836640 is 46638432651.

156234836640 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (156234836623) and next prime (156234836657).

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

It is a self number, because there is not a number n which added to its sum of digits gives 156234836640.

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 63 ways as a sum of consecutive naturals, for example, 34087789 + ... + 34092371.

It is an arithmetic number, because the mean of its divisors is an integer number (1386201600).

Almost surely, 2156234836640 is an apocalyptic number.

156234836640 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 156234836640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266150707200).

156234836640 is an abundant number, since it is smaller than the sum of its proper divisors (376066577760).

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

156234836640 is a wasteful number, since it uses less digits than its factorization.

156234836640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4740 (or 4732 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 48.

The spelling of 156234836640 in words is "one hundred fifty-six billion, two hundred thirty-four million, eight hundred thirty-six thousand, six hundred forty".