Base | Representation |
---|---|
bin | 1011111110100001… |
… | …1110000011101010 |
3 | 22022001200211021000 |
4 | 2333220132003222 |
5 | 23041023312010 |
6 | 1251005455430 |
7 | 142446351255 |
oct | 27750360352 |
9 | 8261624230 |
10 | 3215057130 |
11 | 13aa8a800a |
12 | 758871576 |
13 | 3c311118c |
14 | 226dc809c |
15 | 13c3c47c0 |
hex | bfa1e0ea |
3215057130 has 32 divisors (see below), whose sum is σ = 8573486400. Its totient is φ = 857348496.
The previous prime is 3215057117. The next prime is 3215057171. The reversal of 3215057130 is 317505123.
3215057130 is a `hidden beast` number, since 3 + 21 + 505 + 7 + 130 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 3215057094 and 3215057103.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5953540 + ... + 5954079.
It is an arithmetic number, because the mean of its divisors is an integer number (267921450).
Almost surely, 23215057130 is an apocalyptic number.
3215057130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
3215057130 is an abundant number, since it is smaller than the sum of its proper divisors (5358429270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3215057130 is a wasteful number, since it uses less digits than its factorization.
3215057130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11907635 (or 11907629 counting only the distinct ones).
The product of its (nonzero) digits is 3150, while the sum is 27.
The square root of 3215057130 is about 56701.4737903699. The cubic root of 3215057130 is about 1475.9202729756.
The spelling of 3215057130 in words is "three billion, two hundred fifteen million, fifty-seven thousand, one hundred thirty".
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