Base | Representation |
---|---|
bin | 111100110001100100… |
… | …1000000100110100111 |
3 | 110110212121222001102222 |
4 | 1321203021000212213 |
5 | 4114242123400111 |
6 | 135542340022555 |
7 | 12300134313224 |
oct | 1714311004647 |
9 | 413777861388 |
10 | 130512325031 |
11 | 50393894550 |
12 | 21364391a5b |
13 | c3cc08383a |
14 | 646154c94b |
15 | 35dcd137db |
hex | 1e632409a7 |
130512325031 has 24 divisors (see below), whose sum is σ = 149190989184. Its totient is φ = 113202390000.
The previous prime is 130512324977. The next prime is 130512325057. The reversal of 130512325031 is 130523215031.
It is not a de Polignac number, because 130512325031 - 26 = 130512324967 is a prime.
It is a super-2 number, since 2×1305123250312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130512325061) 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 in 23 ways as a sum of consecutive naturals, for example, 663596 + ... + 837486.
It is an arithmetic number, because the mean of its divisors is an integer number (6216291216).
Almost surely, 2130512325031 is an apocalyptic number.
130512325031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
130512325031 is a deficient number, since it is larger than the sum of its proper divisors (18678664153).
130512325031 is a wasteful number, since it uses less digits than its factorization.
130512325031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 174035 (or 174004 counting only the distinct ones).
The product of its (nonzero) digits is 2700, while the sum is 26.
Subtracting 130512325031 from its reverse (130523215031), we obtain a square (10890000 = 33002).
The spelling of 130512325031 in words is "one hundred thirty billion, five hundred twelve million, three hundred twenty-five thousand, thirty-one".
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