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156030731136 = 27337192314759
BaseRepresentation
bin1001000101010000101…
…0000000001110000000
3112220202001100101202000
42101110022000032000
510024022331344021
6155402440024000
714162405221530
oct2212412001600
9486661311660
10156030731136
1160199309775
12262a6462000
1311937b17c17
1477a26bd4c0
1540d3287b26
hex2454280380

156030731136 has 512 divisors, whose sum is σ = 578119680000. Its totient is φ = 40394889216.

The previous prime is 156030731111. The next prime is 156030731173. The reversal of 156030731136 is 631137030651.

It is a happy number.

156030731136 is a `hidden beast` number, since 1 + 5 + 6 + 0 + 307 + 311 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 156030731136.

It is a congruent number.

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, 10564525 + ... + 10579283.

It is an arithmetic number, because the mean of its divisors is an integer number (1129140000).

Almost surely, 2156030731136 is an apocalyptic number.

156030731136 is a gapful number since it is divisible by the number (16) 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 156030731136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289059840000).

156030731136 is an abundant number, since it is smaller than the sum of its proper divisors (422088948864).

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

156030731136 is a wasteful number, since it uses less digits than its factorization.

156030731136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14831 (or 14813 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

Adding to 156030731136 its reverse (631137030651), we get a palindrome (787167761787).

The spelling of 156030731136 in words is "one hundred fifty-six billion, thirty million, seven hundred thirty-one thousand, one hundred thirty-six".