Base | Representation |
---|---|
bin | 1111100101000… |
… | …11111001000100 |
3 | 100002220222110100 |
4 | 13302203321010 |
5 | 231424212344 |
6 | 20545124100 |
7 | 3144613116 |
oct | 762437104 |
9 | 302828410 |
10 | 130694724 |
11 | 67856976 |
12 | 37929630 |
13 | 210cca74 |
14 | 135013b6 |
15 | b719569 |
hex | 7ca3e44 |
130694724 has 36 divisors (see below), whose sum is σ = 331286956. Its totient is φ = 43443648.
The previous prime is 130694699. The next prime is 130694737. The reversal of 130694724 is 427496031.
It can be written as a sum of positive squares in 2 ways, for example, as 94478400 + 36216324 = 9720^2 + 6018^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-2 number, since 2×1306947242 = 34162221762872352, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8562 + ... + 18294.
Almost surely, 2130694724 is an apocalyptic number.
It is an amenable number.
130694724 is an abundant number, since it is smaller than the sum of its proper divisors (200592232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130694724 is a wasteful number, since it uses less digits than its factorization.
130694724 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10116 (or 10111 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 36.
The square root of 130694724 is about 11432.1793197973. The cubic root of 130694724 is about 507.4804916992.
The spelling of 130694724 in words is "one hundred thirty million, six hundred ninety-four thousand, seven hundred twenty-four".
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