Base | Representation |
---|---|
bin | 1110011100100… |
… | …11101000101101 |
3 | 22110001010201222 |
4 | 13032103220231 |
5 | 222011102312 |
6 | 20005313125 |
7 | 3001051256 |
oct | 716235055 |
9 | 273033658 |
10 | 121190957 |
11 | 62455618 |
12 | 347057a5 |
13 | 1c153034 |
14 | 12149b2d |
15 | a98d672 |
hex | 7393a2d |
121190957 has 16 divisors (see below), whose sum is σ = 128991744. Its totient is φ = 113712000.
The previous prime is 121190921. The next prime is 121190959. The reversal of 121190957 is 759091121.
It is a cyclic number.
It is not a de Polignac number, because 121190957 - 210 = 121189933 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121190959) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117032 + ... + 118062.
It is an arithmetic number, because the mean of its divisors is an integer number (8061984).
Almost surely, 2121190957 is an apocalyptic number.
It is an amenable number.
121190957 is a deficient number, since it is larger than the sum of its proper divisors (7800787).
121190957 is a wasteful number, since it uses less digits than its factorization.
121190957 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1180.
The product of its (nonzero) digits is 5670, while the sum is 35.
The square root of 121190957 is about 11008.6764417890. The cubic root of 121190957 is about 494.8687976593.
The spelling of 121190957 in words is "one hundred twenty-one million, one hundred ninety thousand, nine hundred fifty-seven".
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