Base | Representation |
---|---|
bin | 1100010101110011110… |
… | …1011111011101000000 |
3 | 202021020112220101021211 |
4 | 3011130331133131000 |
5 | 11433200313132432 |
6 | 241221502455504 |
7 | 21213610641553 |
oct | 3053475373500 |
9 | 667215811254 |
10 | 212013020992 |
11 | 81a06906723 |
12 | 3510a894594 |
13 | 16cba092616 |
14 | a39372c69a |
15 | 57ace17d47 |
hex | 315cf5f740 |
212013020992 has 28 divisors (see below), whose sum is σ = 445461184260. Its totient is φ = 99770832896.
The previous prime is 212013020981. The next prime is 212013021029. The reversal of 212013020992 is 299020310212.
It can be written as a sum of positive squares in 2 ways, for example, as 103519201536 + 108493819456 = 321744^2 + 329384^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97431367 + ... + 97433542.
Almost surely, 2212013020992 is an apocalyptic number.
It is an amenable number.
212013020992 is an abundant number, since it is smaller than the sum of its proper divisors (233448163268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212013020992 is a wasteful number, since it uses less digits than its factorization.
212013020992 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 194864938 (or 194864928 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 31.
The spelling of 212013020992 in words is "two hundred twelve billion, thirteen million, twenty thousand, nine hundred ninety-two".
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