Base | Representation |
---|---|
bin | 100001011111000110… |
… | …1011101100011010100 |
3 | 20212121120121212120000 |
4 | 1002332031131203110 |
5 | 2134233113123232 |
6 | 53011343211300 |
7 | 5124004444431 |
oct | 1027615354324 |
9 | 225546555500 |
10 | 71910676692 |
11 | 2855177a818 |
12 | 11b2a8a6b30 |
13 | 6a20248a8a |
14 | 36a269cb88 |
15 | 1d0d22c27c |
hex | 10be35d8d4 |
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".
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