Base | Representation |
---|---|
bin | 1111100100110… |
… | …10100110011111 |
3 | 100002212001020222 |
4 | 13302122212133 |
5 | 231422003141 |
6 | 20544231555 |
7 | 3144364145 |
oct | 762324637 |
9 | 302761228 |
10 | 130656671 |
11 | 67830322 |
12 | 3790b5bb |
13 | 210b8652 |
14 | 134d1595 |
15 | b70d14b |
hex | 7c9a99f |
130656671 has 2 divisors, whose sum is σ = 130656672. Its totient is φ = 130656670.
The previous prime is 130656653. The next prime is 130656677. The reversal of 130656671 is 176656031.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 130656671 - 222 = 126462367 is a prime.
It is a Sophie Germain prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (130656677) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65328335 + 65328336.
It is an arithmetic number, because the mean of its divisors is an integer number (65328336).
Almost surely, 2130656671 is an apocalyptic number.
130656671 is a deficient number, since it is larger than the sum of its proper divisors (1).
130656671 is an equidigital number, since it uses as much as digits as its factorization.
130656671 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 22680, while the sum is 35.
The square root of 130656671 is about 11430.5149052875. The cubic root of 130656671 is about 507.4312343431.
The spelling of 130656671 in words is "one hundred thirty million, six hundred fifty-six thousand, six hundred seventy-one".
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