Base | Representation |
---|---|
bin | 1111100101010… |
… | …11011001110010 |
3 | 100002222112122211 |
4 | 13302223121302 |
5 | 231431203430 |
6 | 20545522334 |
7 | 3145101610 |
oct | 762533162 |
9 | 302875584 |
10 | 130725490 |
11 | 67877aa5 |
12 | 379433aa |
13 | 21110a7c |
14 | 1350c6b0 |
15 | b72372a |
hex | 7cab672 |
130725490 has 32 divisors (see below), whose sum is σ = 270449280. Its totient is φ = 44565504.
The previous prime is 130725479. The next prime is 130725503. The reversal of 130725490 is 94527031.
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, 7314 + ... + 17746.
It is an arithmetic number, because the mean of its divisors is an integer number (8451540).
Almost surely, 2130725490 is an apocalyptic number.
130725490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
130725490 is an abundant number, since it is smaller than the sum of its proper divisors (139723790).
130725490 is a wasteful number, since it uses less digits than its factorization.
130725490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10626.
The product of its (nonzero) digits is 7560, while the sum is 31.
The square root of 130725490 is about 11433.5248283283. The cubic root of 130725490 is about 507.5203094754.
The spelling of 130725490 in words is "one hundred thirty million, seven hundred twenty-five thousand, four hundred ninety".
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