Base | Representation |
---|---|
bin | 1111100111011… |
… | …00101100111111 |
3 | 100010111010120002 |
4 | 13303230230333 |
5 | 232013233314 |
6 | 20555344515 |
7 | 3150264446 |
oct | 763545477 |
9 | 303433502 |
10 | 130992959 |
11 | 67a3aa49 |
12 | 37a5213b |
13 | 211a5736 |
14 | 1357bd5d |
15 | b777ade |
hex | 7cecb3f |
130992959 has 8 divisors (see below), whose sum is σ = 132911280. Its totient is φ = 129084736.
The previous prime is 130992947. The next prime is 130993001. The reversal of 130992959 is 959299031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 130992959 - 220 = 129944383 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130932959) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25892 + ... + 30534.
It is an arithmetic number, because the mean of its divisors is an integer number (16613910).
Almost surely, 2130992959 is an apocalyptic number.
130992959 is a deficient number, since it is larger than the sum of its proper divisors (1918321).
130992959 is an equidigital number, since it uses as much as digits as its factorization.
130992959 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5049.
The product of its (nonzero) digits is 196830, while the sum is 47.
The square root of 130992959 is about 11445.2155506133. The cubic root of 130992959 is about 507.8662085407.
The spelling of 130992959 in words is "one hundred thirty million, nine hundred ninety-two thousand, nine hundred fifty-nine".
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