Base | Representation |
---|---|
bin | 11000011100100111… |
… | …01110101110101000 |
3 | 1020212200220210120020 |
4 | 30032103232232220 |
5 | 203334442030143 |
6 | 10010213200440 |
7 | 643151164032 |
oct | 141623565650 |
9 | 36780823506 |
10 | 13124955048 |
11 | 5625770a97 |
12 | 2663630120 |
13 | 13122420ba |
14 | 8c71b4c52 |
15 | 51c3d5883 |
hex | 30e4eeba8 |
13124955048 has 64 divisors (see below), whose sum is σ = 33000264000. Its totient is φ = 4350001152.
The previous prime is 13124955013. The next prime is 13124955049. The reversal of 13124955048 is 84055942131.
It is not an unprimeable number, because it can be changed into a prime (13124955049) 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, 4063098 + ... + 4066326.
It is an arithmetic number, because the mean of its divisors is an integer number (515629125).
Almost surely, 213124955048 is an apocalyptic number.
It is an amenable number.
13124955048 is an abundant number, since it is smaller than the sum of its proper divisors (19875308952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13124955048 is a wasteful number, since it uses less digits than its factorization.
13124955048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4154 (or 4150 counting only the distinct ones).
The product of its (nonzero) digits is 172800, while the sum is 42.
The spelling of 13124955048 in words is "thirteen billion, one hundred twenty-four million, nine hundred fifty-five thousand, forty-eight".
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