Base | Representation |
---|---|
bin | 1111100100110… |
… | …10011011010000 |
3 | 100002212000021100 |
4 | 13302122123100 |
5 | 231421442302 |
6 | 20544224400 |
7 | 3144362100 |
oct | 762323320 |
9 | 302760240 |
10 | 130655952 |
11 | 6782a829 |
12 | 3790b100 |
13 | 210b821b |
14 | 134d1200 |
15 | b70cd1c |
hex | 7c9a6d0 |
130655952 has 90 divisors (see below), whose sum is σ = 425376978. Its totient is φ = 37328256.
The previous prime is 130655909. The next prime is 130655953. The reversal of 130655952 is 259556031.
130655952 is a `hidden beast` number, since 1 + 3 + 0 + 65 + 595 + 2 = 666.
It can be written as a sum of positive squares in only one way, i.e., 99920016 + 30735936 = 9996^2 + 5544^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130655953) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2203 + ... + 16314.
Almost surely, 2130655952 is an apocalyptic number.
130655952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 130655952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212688489).
130655952 is an abundant number, since it is smaller than the sum of its proper divisors (294721026).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130655952 is a wasteful number, since it uses less digits than its factorization.
130655952 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18545 (or 18529 counting only the distinct ones).
The product of its (nonzero) digits is 40500, while the sum is 36.
The square root of 130655952 is about 11430.4834543426. The cubic root of 130655952 is about 507.4303035481.
The spelling of 130655952 in words is "one hundred thirty million, six hundred fifty-five thousand, nine hundred fifty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •