Base | Representation |
---|---|
bin | 111100110000101001… |
… | …0011001101010010011 |
3 | 110110210110110101112220 |
4 | 1321201102121222103 |
5 | 4114211143420111 |
6 | 135535305352123 |
7 | 12266306114436 |
oct | 1714122315223 |
9 | 413713411486 |
10 | 130481232531 |
11 | 50378288271 |
12 | 21355a98643 |
13 | c3c57b8500 |
14 | 645b37781d |
15 | 35da220e06 |
hex | 1e61499a93 |
130481232531 has 12 divisors (see below), whose sum is σ = 188387105688. Its totient is φ = 80296142784.
The previous prime is 130481232461. The next prime is 130481232547. The reversal of 130481232531 is 135232184031.
It is not a de Polignac number, because 130481232531 - 29 = 130481232019 is a prime.
It is a super-2 number, since 2×1304812325312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 130481232492 and 130481232501.
It is not an unprimeable number, because it can be changed into a prime (130481237531) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128679210 + ... + 128680223.
It is an arithmetic number, because the mean of its divisors is an integer number (15698925474).
Almost surely, 2130481232531 is an apocalyptic number.
130481232531 is a deficient number, since it is larger than the sum of its proper divisors (57905873157).
130481232531 is a wasteful number, since it uses less digits than its factorization.
130481232531 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 257359462 (or 257359449 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 33.
The spelling of 130481232531 in words is "one hundred thirty billion, four hundred eighty-one million, two hundred thirty-two thousand, five hundred thirty-one".
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