Base | Representation |
---|---|
bin | 1111100100110… |
… | …10100011011001 |
3 | 100002212000222122 |
4 | 13302122203121 |
5 | 231422001343 |
6 | 20544231025 |
7 | 3144363443 |
oct | 762324331 |
9 | 302760878 |
10 | 130656473 |
11 | 67830162 |
12 | 3790b475 |
13 | 210b852c |
14 | 134d1493 |
15 | b70d068 |
hex | 7c9a8d9 |
130656473 has 2 divisors, whose sum is σ = 130656474. Its totient is φ = 130656472.
The previous prime is 130656469. The next prime is 130656511. The reversal of 130656473 is 374656031.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 74511424 + 56145049 = 8632^2 + 7493^2 .
It is a cyclic number.
It is not a de Polignac number, because 130656473 - 22 = 130656469 is a prime.
It is a super-2 number, since 2×1306564732 = 34142227873599458, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (130656443) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65328236 + 65328237.
It is an arithmetic number, because the mean of its divisors is an integer number (65328237).
Almost surely, 2130656473 is an apocalyptic number.
It is an amenable number.
130656473 is a deficient number, since it is larger than the sum of its proper divisors (1).
130656473 is an equidigital number, since it uses as much as digits as its factorization.
130656473 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 45360, while the sum is 35.
The square root of 130656473 is about 11430.5062442571. The cubic root of 130656473 is about 507.4309780188.
The spelling of 130656473 in words is "one hundred thirty million, six hundred fifty-six thousand, four hundred seventy-three".
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