Base | Representation |
---|---|
bin | 1110111001000… |
… | …01110001011000 |
3 | 22201001112110220 |
4 | 13130201301120 |
5 | 223434400442 |
6 | 20221240040 |
7 | 3044535651 |
oct | 734416130 |
9 | 281045426 |
10 | 124918872 |
11 | 64571441 |
12 | 35a03020 |
13 | 1cb59ac0 |
14 | 1283a528 |
15 | ae77eec |
hex | 7721c58 |
124918872 has 32 divisors (see below), whose sum is σ = 336320880. Its totient is φ = 38436480.
The previous prime is 124918853. The next prime is 124918943. The reversal of 124918872 is 278819421.
It is a congruent number.
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, 199879 + ... + 200502.
Almost surely, 2124918872 is an apocalyptic number.
124918872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
124918872 is an abundant number, since it is smaller than the sum of its proper divisors (211402008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
124918872 is a wasteful number, since it uses less digits than its factorization.
124918872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 400403 (or 400399 counting only the distinct ones).
The product of its digits is 64512, while the sum is 42.
The square root of 124918872 is about 11176.7111441604. The cubic root of 124918872 is about 499.8918059231.
The spelling of 124918872 in words is "one hundred twenty-four million, nine hundred eighteen thousand, eight hundred seventy-two".
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