Base | Representation |
---|---|
bin | 10011110101000100… |
… | …01111101001101100 |
3 | 1000110220211012211110 |
4 | 21322202033221230 |
5 | 133300301410243 |
6 | 4520210552020 |
7 | 524545141245 |
oct | 117242175154 |
9 | 30426735743 |
10 | 10645731948 |
11 | 4573268a85 |
12 | 2091298610 |
13 | 1008708897 |
14 | 72dc11ccc |
15 | 424910e33 |
hex | 27a88fa6c |
10645731948 has 48 divisors (see below), whose sum is σ = 25711529984. Its totient is φ = 3424705920.
The previous prime is 10645731881. The next prime is 10645731949. The reversal of 10645731948 is 84913754601.
It is a super-2 number, since 2×106457319482 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 10645731897 and 10645731906.
It is not an unprimeable number, because it can be changed into a prime (10645731949) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97536 + ... + 175512.
Almost surely, 210645731948 is an apocalyptic number.
It is an amenable number.
10645731948 is an abundant number, since it is smaller than the sum of its proper divisors (15065798036).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10645731948 is a wasteful number, since it uses less digits than its factorization.
10645731948 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78382 (or 78380 counting only the distinct ones).
The product of its (nonzero) digits is 725760, while the sum is 48.
The spelling of 10645731948 in words is "ten billion, six hundred forty-five million, seven hundred thirty-one thousand, nine hundred forty-eight".
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