Base | Representation |
---|---|
bin | 100111111110111110… |
… | …1100011101111101100 |
3 | 22012122002102122021010 |
4 | 1033331331203233230 |
5 | 2401322434321333 |
6 | 103240152105220 |
7 | 6126550513365 |
oct | 1177575435754 |
9 | 265562378233 |
10 | 85865151468 |
11 | 334627041a8 |
12 | 14784095210 |
13 | 81352a8245 |
14 | 4227ac4b6c |
15 | 237836b563 |
hex | 13fdf63bec |
85865151468 has 48 divisors (see below), whose sum is σ = 207802183680. Its totient is φ = 27562565184.
The previous prime is 85865151431. The next prime is 85865151473. The reversal of 85865151468 is 86415156858.
It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188830 + ... + 455397.
It is an arithmetic number, because the mean of its divisors is an integer number (4329212160).
Almost surely, 285865151468 is an apocalyptic number.
It is an amenable number.
85865151468 is an abundant number, since it is smaller than the sum of its proper divisors (121937032212).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85865151468 is a wasteful number, since it uses less digits than its factorization.
85865151468 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 644646 (or 644644 counting only the distinct ones).
The product of its digits is 9216000, while the sum is 57.
The spelling of 85865151468 in words is "eighty-five billion, eight hundred sixty-five million, one hundred fifty-one thousand, four hundred sixty-eight".
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