Base | Representation |
---|---|
bin | 1110100010010… |
… | …01010110111000 |
3 | 22111102221202210 |
4 | 13101021112320 |
5 | 222203412123 |
6 | 20033255120 |
7 | 3010301316 |
oct | 721112670 |
9 | 274387683 |
10 | 121935288 |
11 | 62913872 |
12 | 34a044a0 |
13 | 1c353a77 |
14 | 122a10b6 |
15 | aa88e93 |
hex | 74495b8 |
121935288 has 32 divisors (see below), whose sum is σ = 322770960. Its totient is φ = 38254080.
The previous prime is 121935263. The next prime is 121935301. The reversal of 121935288 is 882539121.
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, 149023 + ... + 149838.
Almost surely, 2121935288 is an apocalyptic number.
It is an amenable number.
121935288 is an abundant number, since it is smaller than the sum of its proper divisors (200835672).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121935288 is a wasteful number, since it uses less digits than its factorization.
121935288 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 298887 (or 298883 counting only the distinct ones).
The product of its digits is 34560, while the sum is 39.
The square root of 121935288 is about 11042.4312540310. The cubic root of 121935288 is about 495.8798594730.
The spelling of 121935288 in words is "one hundred twenty-one million, nine hundred thirty-five thousand, two hundred eighty-eight".
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