Base | Representation |
---|---|
bin | 111001000001000… |
… | …0001010110011010 |
3 | 11221022220012100010 |
4 | 1302002001112122 |
5 | 12404230214232 |
6 | 513501022350 |
7 | 65260233414 |
oct | 16202012632 |
9 | 4838805303 |
10 | 1913132442 |
11 | 8a1a057a1 |
12 | 4548549b6 |
13 | 246481140 |
14 | 1421259b4 |
15 | b2e540cc |
hex | 7208159a |
1913132442 has 32 divisors (see below), whose sum is σ = 4124034432. Its totient is φ = 588164544.
The previous prime is 1913132413. The next prime is 1913132453. The reversal of 1913132442 is 2442313191.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90003 + ... + 109209.
It is an arithmetic number, because the mean of its divisors is an integer number (128876076).
Almost surely, 21913132442 is an apocalyptic number.
1913132442 is an abundant number, since it is smaller than the sum of its proper divisors (2210901990).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1913132442 is a wasteful number, since it uses less digits than its factorization.
1913132442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20502.
The product of its digits is 5184, while the sum is 30.
The square root of 1913132442 is about 43739.3694741934. The cubic root of 1913132442 is about 1241.4093501310.
The spelling of 1913132442 in words is "one billion, nine hundred thirteen million, one hundred thirty-two thousand, four hundred forty-two".
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