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71910676692 = 2234615136083
BaseRepresentation
bin100001011111000110…
…1011101100011010100
320212121120121212120000
41002332031131203110
52134233113123232
653011343211300
75124004444431
oct1027615354324
9225546555500
1071910676692
112855177a818
1211b2a8a6b30
136a20248a8a
1436a269cb88
151d0d22c27c
hex10be35d8d4

71910676692 has 60 divisors (see below), whose sum is σ = 188024486496. Its totient is φ = 23965664400.

The previous prime is 71910676681. The next prime is 71910676757. The reversal of 71910676692 is 29667601917.

It is a super-2 number, since 2×719106766922 (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1974883 + ... + 2010965.

Almost surely, 271910676692 is an apocalyptic number.

It is an amenable number.

71910676692 is an abundant number, since it is smaller than the sum of its proper divisors (116113809804).

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

71910676692 is a wasteful number, since it uses less digits than its factorization.

71910676692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42250 (or 42239 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 54.

The spelling of 71910676692 in words is "seventy-one billion, nine hundred ten million, six hundred seventy-six thousand, six hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 6151 12302 18453 24604 36083 36906 55359 72166 73812 108249 110718 144332 166077 216498 221436 324747 332154 432996 498231 649494 664308 974241 996462 1298988 1948482 1992924 2922723 3896964 5845446 11690892 221946533 443893066 665839599 887786132 1331679198 1997518797 2663358396 3995037594 5992556391 7990075188 11985112782 17977669173 23970225564 35955338346 71910676692