Base | Representation |
---|---|
bin | 100111111000111101… |
… | …0101100100010101100 |
3 | 22012010000012001202002 |
4 | 1033301322230202230 |
5 | 2400414221340401 |
6 | 103204132551432 |
7 | 6121545055550 |
oct | 1176172544254 |
9 | 265100161662 |
10 | 85663074476 |
11 | 33369632821 |
12 | 14728482578 |
13 | 8102474765 |
14 | 4208d21860 |
15 | 2365751a6b |
hex | 13f1eac8ac |
85663074476 has 24 divisors (see below), whose sum is σ = 171344092416. Its totient is φ = 36708901200.
The previous prime is 85663074457. The next prime is 85663074481. The reversal of 85663074476 is 67447036658.
It is a Smith number, since the sum of its digits (56) 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 7 ways as a sum of consecutive naturals, for example, 120545 + ... + 431111.
It is an arithmetic number, because the mean of its divisors is an integer number (7139337184).
Almost surely, 285663074476 is an apocalyptic number.
It is an amenable number.
85663074476 is an abundant number, since it is smaller than the sum of its proper divisors (85681017940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85663074476 is a wasteful number, since it uses less digits than its factorization.
85663074476 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 320429 (or 320427 counting only the distinct ones).
The product of its (nonzero) digits is 20321280, while the sum is 56.
The spelling of 85663074476 in words is "eighty-five billion, six hundred sixty-three million, seventy-four thousand, four hundred seventy-six".
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