Base | Representation |
---|---|
bin | 100111111111100010… |
… | …0111101101100010011 |
3 | 22012200101122122020000 |
4 | 1033333010331230103 |
5 | 2401342232314341 |
6 | 103242101221043 |
7 | 6130165564314 |
oct | 1177704755423 |
9 | 265611578200 |
10 | 85883869971 |
11 | 33472229739 |
12 | 1478a401783 |
13 | 8139130293 |
14 | 422a39860b |
15 | 2379d178b6 |
hex | 13ff13db13 |
85883869971 has 10 divisors (see below), whose sum is σ = 128295657732. Its totient is φ = 57255913260.
The previous prime is 85883869963. The next prime is 85883869997. The reversal of 85883869971 is 17996838858.
85883869971 is a `hidden beast` number, since 8 + 588 + 38 + 6 + 9 + 9 + 7 + 1 = 666.
It is not a de Polignac number, because 85883869971 - 23 = 85883869963 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 85883869971.
It is not an unprimeable number, because it can be changed into a prime (85883869931) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 530147265 + ... + 530147426.
Almost surely, 285883869971 is an apocalyptic number.
85883869971 is a gapful number since it is divisible by the number (81) formed by its first and last digit.
85883869971 is a deficient number, since it is larger than the sum of its proper divisors (42411787761).
85883869971 is a wasteful number, since it uses less digits than its factorization.
85883869971 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1060294703 (or 1060294694 counting only the distinct ones).
The product of its digits is 209018880, while the sum is 72.
The spelling of 85883869971 in words is "eighty-five billion, eight hundred eighty-three million, eight hundred sixty-nine thousand, nine hundred seventy-one".
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