Base | Representation |
---|---|
bin | 111000010110110100… |
… | …1111100101111000100 |
3 | 102120101102222211112210 |
4 | 1300231221330233010 |
5 | 3440324403240214 |
6 | 131333110543420 |
7 | 11513053666641 |
oct | 1605551745704 |
9 | 376342884483 |
10 | 121025055684 |
11 | 47365541685 |
12 | 1b557067b70 |
13 | b549687bb0 |
14 | 5c01536dc8 |
15 | 3234e85b59 |
hex | 1c2da7cbc4 |
121025055684 has 48 divisors (see below), whose sum is σ = 304284935360. Its totient is φ = 37217577600.
The previous prime is 121025055677. The next prime is 121025055731. The reversal of 121025055684 is 486550520121.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62259 + ... + 495909.
Almost surely, 2121025055684 is an apocalyptic number.
It is an amenable number.
121025055684 is an abundant number, since it is smaller than the sum of its proper divisors (183259879676).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121025055684 is a wasteful number, since it uses less digits than its factorization.
121025055684 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 435460 (or 435458 counting only the distinct ones).
The product of its (nonzero) digits is 96000, while the sum is 39.
The spelling of 121025055684 in words is "one hundred twenty-one billion, twenty-five million, fifty-five thousand, six hundred eighty-four".
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