Base | Representation |
---|---|
bin | 1111100000001… |
… | …01111100001100 |
3 | 100001201002222120 |
4 | 13300011330030 |
5 | 231243012011 |
6 | 20523212540 |
7 | 3136246656 |
oct | 760057414 |
9 | 301632876 |
10 | 130047756 |
11 | 67454893 |
12 | 37677150 |
13 | 20c34447 |
14 | 133b36d6 |
15 | b63ca06 |
hex | 7c05f0c |
130047756 has 24 divisors (see below), whose sum is σ = 321294960. Its totient is φ = 40799232.
The previous prime is 130047721. The next prime is 130047763. The reversal of 130047756 is 657740031.
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 7 ways as a sum of consecutive naturals, for example, 318541 + ... + 318948.
It is an arithmetic number, because the mean of its divisors is an integer number (13387290).
Almost surely, 2130047756 is an apocalyptic number.
It is an amenable number.
130047756 is an abundant number, since it is smaller than the sum of its proper divisors (191247204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130047756 is a wasteful number, since it uses less digits than its factorization.
130047756 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 637513 (or 637511 counting only the distinct ones).
The product of its (nonzero) digits is 17640, while the sum is 33.
The square root of 130047756 is about 11403.8482978335. The cubic root of 130047756 is about 506.6417256498.
Adding to 130047756 its reverse (657740031), we get a palindrome (787787787).
The spelling of 130047756 in words is "one hundred thirty million, forty-seven thousand, seven hundred fifty-six".
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