Base | Representation |
---|---|
bin | 111010011100100011… |
… | …0110001111100001000 |
3 | 102222222011012211202222 |
4 | 1310321012301330020 |
5 | 4024022101132222 |
6 | 133354240313212 |
7 | 12032210335112 |
oct | 1647106617410 |
9 | 388864184688 |
10 | 125512130312 |
11 | 49258364218 |
12 | 203a9912808 |
13 | bab318743a |
14 | 610943a3b2 |
15 | 33e8d6e542 |
hex | 1d391b1f08 |
125512130312 has 16 divisors (see below), whose sum is σ = 245567211840. Its totient is φ = 60027540496.
The previous prime is 125512130299. The next prime is 125512130329. The reversal of 125512130312 is 213031215521.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341065388 + ... + 341065755.
It is an arithmetic number, because the mean of its divisors is an integer number (15347950740).
Almost surely, 2125512130312 is an apocalyptic number.
It is an amenable number.
125512130312 is a deficient number, since it is larger than the sum of its proper divisors (120055081528).
125512130312 is a wasteful number, since it uses less digits than its factorization.
125512130312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 682131172 (or 682131168 counting only the distinct ones).
The product of its (nonzero) digits is 1800, while the sum is 26.
Adding to 125512130312 its reverse (213031215521), we get a palindrome (338543345833).
The spelling of 125512130312 in words is "one hundred twenty-five billion, five hundred twelve million, one hundred thirty thousand, three hundred twelve".
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