Base | Representation |
---|---|
bin | 1110101010010… |
… | …01110111101000 |
3 | 22120102100000120 |
4 | 13111021313220 |
5 | 222441022320 |
6 | 20112003240 |
7 | 3022235436 |
oct | 725116750 |
9 | 276370016 |
10 | 122985960 |
11 | 63471199 |
12 | 35230520 |
13 | 1c631076 |
14 | 12495d56 |
15 | abe5440 |
hex | 7549de8 |
122985960 has 32 divisors (see below), whose sum is σ = 368958240. Its totient is φ = 32796224.
The previous prime is 122985931. The next prime is 122985979. The reversal of 122985960 is 69589221.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512322 + ... + 512561.
It is an arithmetic number, because the mean of its divisors is an integer number (11529945).
Almost surely, 2122985960 is an apocalyptic number.
122985960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
122985960 is an abundant number, since it is smaller than the sum of its proper divisors (245972280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122985960 is a wasteful number, since it uses less digits than its factorization.
122985960 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1024897 (or 1024893 counting only the distinct ones).
The product of its (nonzero) digits is 77760, while the sum is 42.
The square root of 122985960 is about 11089.9035162620. The cubic root of 122985960 is about 497.3000602260.
The spelling of 122985960 in words is "one hundred twenty-two million, nine hundred eighty-five thousand, nine hundred sixty".
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