Base | Representation |
---|---|
bin | 111100100110001101… |
… | …1100110100010001100 |
3 | 110102220002001010221101 |
4 | 1321030123212202030 |
5 | 4113002104314040 |
6 | 135440445512444 |
7 | 12254526665206 |
oct | 1711433464214 |
9 | 412802033841 |
10 | 130131323020 |
11 | 50208815056 |
12 | 21278872724 |
13 | c36b16456a |
14 | 6426ad1776 |
15 | 35b965409a |
hex | 1e4c6e688c |
130131323020 has 24 divisors (see below), whose sum is σ = 273339116064. Its totient is φ = 52040464896.
The previous prime is 130131323011. The next prime is 130131323027. The reversal of 130131323020 is 20323131031.
It is a super-2 number, since 2×1301313230202 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (130131323027) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665317 + ... + 838396.
It is an arithmetic number, because the mean of its divisors is an integer number (11389129836).
Almost surely, 2130131323020 is an apocalyptic number.
130131323020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
130131323020 is an abundant number, since it is smaller than the sum of its proper divisors (143207793044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130131323020 is a wasteful number, since it uses less digits than its factorization.
130131323020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1508049 (or 1508047 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 130131323020 its reverse (20323131031), we get a palindrome (150454454051).
The spelling of 130131323020 in words is "one hundred thirty billion, one hundred thirty-one million, three hundred twenty-three thousand, twenty".
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