Base | Representation |
---|---|
bin | 1111100000101… |
… | …11101000101000 |
3 | 100001211210101212 |
4 | 13300113220220 |
5 | 231302321412 |
6 | 20524532252 |
7 | 3140001164 |
oct | 760275050 |
9 | 301753355 |
10 | 130120232 |
11 | 674a4290 |
12 | 376b1088 |
13 | 20c5b428 |
14 | 133d1ca4 |
15 | b654222 |
hex | 7c17a28 |
130120232 has 16 divisors (see below), whose sum is σ = 266155200. Its totient is φ = 59145520.
The previous prime is 130120229. The next prime is 130120241. The reversal of 130120232 is 232021031.
It is a happy number.
It is a nialpdrome in base 15.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 739232 + ... + 739407.
It is an arithmetic number, because the mean of its divisors is an integer number (16634700).
Almost surely, 2130120232 is an apocalyptic number.
It is an amenable number.
130120232 is an abundant number, since it is smaller than the sum of its proper divisors (136034968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130120232 is a wasteful number, since it uses less digits than its factorization.
130120232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1478656 (or 1478652 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 130120232 is about 11407.0255544555. The cubic root of 130120232 is about 506.7358258165.
Adding to 130120232 its reverse (232021031), we get a palindrome (362141263).
The spelling of 130120232 in words is "one hundred thirty million, one hundred twenty thousand, two hundred thirty-two".
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