Base | Representation |
---|---|
bin | 1111100000101… |
… | …11111100000011 |
3 | 100001211212002220 |
4 | 13300113330003 |
5 | 231302341400 |
6 | 20524542123 |
7 | 3140004621 |
oct | 760277403 |
9 | 301755086 |
10 | 130121475 |
11 | 674a5210 |
12 | 376b1943 |
13 | 20c5bb73 |
14 | 133d2511 |
15 | b6547a0 |
hex | 7c17f03 |
130121475 has 48 divisors (see below), whose sum is σ = 237008640. Its totient is φ = 62467200.
The previous prime is 130121447. The next prime is 130121501. The reversal of 130121475 is 574121031.
It is not a de Polignac number, because 130121475 - 214 = 130105091 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 89202 + ... + 90648.
It is an arithmetic number, because the mean of its divisors is an integer number (4937680).
Almost surely, 2130121475 is an apocalyptic number.
130121475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
130121475 is a deficient number, since it is larger than the sum of its proper divisors (106887165).
130121475 is a wasteful number, since it uses less digits than its factorization.
130121475 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1580 (or 1575 counting only the distinct ones).
The product of its (nonzero) digits is 840, while the sum is 24.
The square root of 130121475 is about 11407.0800382920. The cubic root of 130121475 is about 506.7374393770.
The spelling of 130121475 in words is "one hundred thirty million, one hundred twenty-one thousand, four hundred seventy-five".
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