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16931734884 = 223472292
BaseRepresentation
bin11111100010011010…
…11100010101100100
31121201000001020210000
433301031130111210
5234134011004014
611440041501300
71136404241361
oct176115342544
947630036700
1016931734884
1171a9583029
1233464a1830
13179ab1144c
14b689cd468
156916e0509
hex3f135c564

16931734884 has 45 divisors (see below), whose sum is σ = 44269023337. Its totient is φ = 5643130896.

The previous prime is 16931734877. The next prime is 16931734927. The reversal of 16931734884 is 48843713961.

The square root of 16931734884 is 130122.

It is a perfect power (a square), and thus also a powerful number.

16931734884 is a `hidden beast` number, since 1 + 6 + 93 + 1 + 73 + 488 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 16894280484 + 37454400 = 129978^2 + 6120^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16931734884.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 2338582 + ... + 2345810.

Almost surely, 216931734884 is an apocalyptic number.

16931734884 is the 130122-nd square number.

It is an amenable number.

16931734884 is an abundant number, since it is smaller than the sum of its proper divisors (27337288453).

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

16931734884 is an frugal number, since it uses more digits than its factorization.

16931734884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14474 (or 7234 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The spelling of 16931734884 in words is "sixteen billion, nine hundred thirty-one million, seven hundred thirty-four thousand, eight hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 7229 14458 21687 28916 43374 65061 86748 130122 195183 260244 390366 585549 780732 1171098 2342196 52258441 104516882 156775323 209033764 313550646 470325969 627101292 940651938 1410977907 1881303876 2821955814 4232933721 5643911628 8465867442 16931734884