Base | Representation |
---|---|
bin | 1110111001100… |
… | …11011000010000 |
3 | 22201012012102000 |
4 | 13130303120100 |
5 | 223444202432 |
6 | 20222554000 |
7 | 3045256140 |
oct | 734633020 |
9 | 281165360 |
10 | 124990992 |
11 | 64610645 |
12 | 35a38900 |
13 | 1cb83889 |
14 | 12858920 |
15 | ae8e57c |
hex | 7733610 |
124990992 has 80 divisors (see below), whose sum is σ = 410033280. Its totient is φ = 35710848.
The previous prime is 124990963. The next prime is 124991011. The reversal of 124990992 is 299099421.
It is a super-2 number, since 2×1249909922 = 31245496162288128, which contains 22 as substring.
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 15 ways as a sum of consecutive naturals, for example, 17643 + ... + 23690.
It is an arithmetic number, because the mean of its divisors is an integer number (5125416).
Almost surely, 2124990992 is an apocalyptic number.
124990992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
124990992 is an abundant number, since it is smaller than the sum of its proper divisors (285042288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
124990992 is a wasteful number, since it uses less digits than its factorization.
124990992 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41357 (or 41345 counting only the distinct ones).
The product of its (nonzero) digits is 104976, while the sum is 45.
The square root of 124990992 is about 11179.9370302341. The cubic root of 124990992 is about 499.9879890448.
The spelling of 124990992 in words is "one hundred twenty-four million, nine hundred ninety thousand, nine hundred ninety-two".
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