Base | Representation |
---|---|
bin | 10111010100001111… |
… | …00010101010100010 |
3 | 1012022101102010011022 |
4 | 23222013202222202 |
5 | 201114022431010 |
6 | 5430043245442 |
7 | 622126242542 |
oct | 135207425242 |
9 | 35271363138 |
10 | 12517780130 |
11 | 5343a62539 |
12 | 2514219882 |
13 | 12465037bb |
14 | 86a6c1322 |
15 | 4d3e4bd55 |
hex | 2ea1e2aa2 |
12517780130 has 16 divisors (see below), whose sum is σ = 23511657024. Its totient is φ = 4789411440.
The previous prime is 12517780073. The next prime is 12517780147. The reversal of 12517780130 is 3108771521.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27212336 + ... + 27212795.
It is an arithmetic number, because the mean of its divisors is an integer number (1469478564).
Almost surely, 212517780130 is an apocalyptic number.
12517780130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12517780130 is a deficient number, since it is larger than the sum of its proper divisors (10993876894).
12517780130 is a wasteful number, since it uses less digits than its factorization.
12517780130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54425161.
The product of its (nonzero) digits is 11760, while the sum is 35.
The spelling of 12517780130 in words is "twelve billion, five hundred seventeen million, seven hundred eighty thousand, one hundred thirty".
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