Base | Representation |
---|---|
bin | 1111100101000… |
… | …01110001101100 |
3 | 100002220112120110 |
4 | 13302201301230 |
5 | 231423423220 |
6 | 20545020020 |
7 | 3144545631 |
oct | 762416154 |
9 | 302815513 |
10 | 130686060 |
11 | 6785040a |
12 | 37924610 |
13 | 210c8b3b |
14 | 134dc188 |
15 | b716be0 |
hex | 7ca1c6c |
130686060 has 48 divisors (see below), whose sum is σ = 370946016. Its totient is φ = 34371072.
The previous prime is 130686053. The next prime is 130686067. The reversal of 130686060 is 60686031.
It is an interprime number because it is at equal distance from previous prime (130686053) and next prime (130686067).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is not an unprimeable number, because it can be changed into a prime (130686067) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10539 + ... + 19298.
It is an arithmetic number, because the mean of its divisors is an integer number (7728042).
Almost surely, 2130686060 is an apocalyptic number.
130686060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
130686060 is an abundant number, since it is smaller than the sum of its proper divisors (240259956).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130686060 is a wasteful number, since it uses less digits than its factorization.
130686060 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29922 (or 29920 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 30.
The square root of 130686060 is about 11431.8003831418. The cubic root of 130686060 is about 507.4692775047.
The spelling of 130686060 in words is "one hundred thirty million, six hundred eighty-six thousand, sixty".
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