Base | Representation |
---|---|
bin | 11000101000101001… |
… | …01101010111110000 |
3 | 1021010201211001121120 |
4 | 30110110231113300 |
5 | 204041310444203 |
6 | 10024220222240 |
7 | 645515040060 |
oct | 142424552760 |
9 | 37121731546 |
10 | 13225874928 |
11 | 5677730652 |
12 | 269139a980 |
13 | 132a1184c6 |
14 | 8d67653a0 |
15 | 5261bcb53 |
hex | 31452d5f0 |
13225874928 has 40 divisors (see below), whose sum is σ = 39047822208. Its totient is φ = 3778821312.
The previous prime is 13225874927. The next prime is 13225874947. The reversal of 13225874928 is 82947852231.
It is a super-2 number, since 2×132258749282 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13225874927) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19681026 + ... + 19681697.
Almost surely, 213225874928 is an apocalyptic number.
It is an amenable number.
13225874928 is an abundant number, since it is smaller than the sum of its proper divisors (25821947280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13225874928 is a wasteful number, since it uses less digits than its factorization.
13225874928 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39362741 (or 39362735 counting only the distinct ones).
The product of its digits is 1935360, while the sum is 51.
The spelling of 13225874928 in words is "thirteen billion, two hundred twenty-five million, eight hundred seventy-four thousand, nine hundred twenty-eight".
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