Base | Representation |
---|---|
bin | 101000000010000110… |
… | …1111011010101100001 |
3 | 22012220101220212101210 |
4 | 1100010031323111201 |
5 | 2402031321340242 |
6 | 103254421420333 |
7 | 6132263561400 |
oct | 1200415732541 |
9 | 265811825353 |
10 | 85970105697 |
11 | 33506979933 |
12 | 147b326a6a9 |
13 | 8150c64a38 |
14 | 4237a05637 |
15 | 238269dd9c |
hex | 140437b561 |
85970105697 has 48 divisors (see below), whose sum is σ = 141244741440. Its totient is φ = 46216461312.
The previous prime is 85970105681. The next prime is 85970105717. The reversal of 85970105697 is 79650107958.
It is not a de Polignac number, because 85970105697 - 24 = 85970105681 is a prime.
It is not an unprimeable number, because it can be changed into a prime (85970105647) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7413738 + ... + 7425324.
It is an arithmetic number, because the mean of its divisors is an integer number (2942598780).
Almost surely, 285970105697 is an apocalyptic number.
It is an amenable number.
85970105697 is a deficient number, since it is larger than the sum of its proper divisors (55274635743).
85970105697 is a wasteful number, since it uses less digits than its factorization.
85970105697 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14590 (or 14583 counting only the distinct ones).
The product of its (nonzero) digits is 4762800, while the sum is 57.
The spelling of 85970105697 in words is "eighty-five billion, nine hundred seventy million, one hundred five thousand, six hundred ninety-seven".
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