Base | Representation |
---|---|
bin | 1110011010111… |
… | …10011010001110 |
3 | 22102122001200100 |
4 | 13031132122032 |
5 | 221432113232 |
6 | 20000511530 |
7 | 2666152536 |
oct | 715363216 |
9 | 272561610 |
10 | 120972942 |
11 | 62316842 |
12 | 3461b5a6 |
13 | 1c0a7a2c |
14 | 120d04c6 |
15 | a948c7c |
hex | 735e68e |
120972942 has 12 divisors (see below), whose sum is σ = 262108080. Its totient is φ = 40324308.
The previous prime is 120972931. The next prime is 120972997. The reversal of 120972942 is 249279021.
It is a super-2 number, since 2×1209729422 = 29268905392270728, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 120972897 and 120972906.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3360342 + ... + 3360377.
It is an arithmetic number, because the mean of its divisors is an integer number (21842340).
Almost surely, 2120972942 is an apocalyptic number.
120972942 is an abundant number, since it is smaller than the sum of its proper divisors (141135138).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120972942 is a wasteful number, since it uses less digits than its factorization.
120972942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6720727 (or 6720724 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 36.
The square root of 120972942 is about 10998.7700221434. The cubic root of 120972942 is about 494.5718734678.
The spelling of 120972942 in words is "one hundred twenty million, nine hundred seventy-two thousand, nine hundred forty-two".
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