Base | Representation |
---|---|
bin | 111000010011010101… |
… | …0110110100001100000 |
3 | 102120002021110021010212 |
4 | 1300212222312201200 |
5 | 3440104402224442 |
6 | 131313322513252 |
7 | 11510131532603 |
oct | 1604652664140 |
9 | 376067407125 |
10 | 120907851872 |
11 | 4730536a725 |
12 | 1b523965828 |
13 | b52b2cc922 |
14 | 5bcdb4833a |
15 | 3229a33a82 |
hex | 1c26ab6860 |
120907851872 has 24 divisors (see below), whose sum is σ = 242528607216. Its totient is φ = 59313284992.
The previous prime is 120907851853. The next prime is 120907851919. The reversal of 120907851872 is 278158709021.
It is a self number, because there is not a number n which added to its sum of digits gives 120907851872.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35643308 + ... + 35646699.
It is an arithmetic number, because the mean of its divisors is an integer number (10105358634).
Almost surely, 2120907851872 is an apocalyptic number.
It is an amenable number.
120907851872 is an abundant number, since it is smaller than the sum of its proper divisors (121620755344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120907851872 is an equidigital number, since it uses as much as digits as its factorization.
120907851872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71290070 (or 71290062 counting only the distinct ones).
The product of its (nonzero) digits is 564480, while the sum is 50.
The spelling of 120907851872 in words is "one hundred twenty billion, nine hundred seven million, eight hundred fifty-one thousand, eight hundred seventy-two".
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