Base | Representation |
---|---|
bin | 100110101010000010… |
… | …1110011010100110000 |
3 | 21221021110201101012212 |
4 | 1031110011303110300 |
5 | 2330003341420322 |
6 | 102045303311252 |
7 | 5666123302334 |
oct | 1152405632460 |
9 | 257243641185 |
10 | 83015185712 |
11 | 3222a9a97a8 |
12 | 1410974b528 |
13 | 7a9ca05384 |
14 | 40373b57c4 |
15 | 225d0620e2 |
hex | 1354173530 |
83015185712 has 20 divisors (see below), whose sum is σ = 161544295920. Its totient is φ = 41326335168.
The previous prime is 83015185711. The next prime is 83015185733. The reversal of 83015185712 is 21758151038.
It is a self number, because there is not a number n which added to its sum of digits gives 83015185712.
It is not an unprimeable number, because it can be changed into a prime (83015185711) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11324828 + ... + 11332155.
It is an arithmetic number, because the mean of its divisors is an integer number (8077214796).
Almost surely, 283015185712 is an apocalyptic number.
It is an amenable number.
83015185712 is a deficient number, since it is larger than the sum of its proper divisors (78529110208).
83015185712 is a wasteful number, since it uses less digits than its factorization.
83015185712 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22657220 (or 22657214 counting only the distinct ones).
The product of its (nonzero) digits is 67200, while the sum is 41.
The spelling of 83015185712 in words is "eighty-three billion, fifteen million, one hundred eighty-five thousand, seven hundred twelve".
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