Base | Representation |
---|---|
bin | 100111111010100101… |
… | …0000110110000101100 |
3 | 22012020210111102000020 |
4 | 1033311022012300230 |
5 | 2401022131230201 |
6 | 103213354202140 |
7 | 6123105160302 |
oct | 1176512066054 |
9 | 265223442006 |
10 | 85717445676 |
11 | 333972996a5 |
12 | 14742723350 |
13 | 8110800675 |
14 | 4212236272 |
15 | 236a3e1a36 |
hex | 13f5286c2c |
85717445676 has 12 divisors (see below), whose sum is σ = 200007373272. Its totient is φ = 28572481888.
The previous prime is 85717445629. The next prime is 85717445719. The reversal of 85717445676 is 67654471758.
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-2 number, since 2×857174456762 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3571560225 + ... + 3571560248.
It is an arithmetic number, because the mean of its divisors is an integer number (16667281106).
Almost surely, 285717445676 is an apocalyptic number.
It is an amenable number.
85717445676 is an abundant number, since it is smaller than the sum of its proper divisors (114289927596).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85717445676 is a wasteful number, since it uses less digits than its factorization.
85717445676 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7143120480 (or 7143120478 counting only the distinct ones).
The product of its digits is 39513600, while the sum is 60.
The spelling of 85717445676 in words is "eighty-five billion, seven hundred seventeen million, four hundred forty-five thousand, six hundred seventy-six".
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