Base | Representation |
---|---|
bin | 1100010101111111100… |
… | …0000001110011101000 |
3 | 202021100221220201210021 |
4 | 3011133320001303220 |
5 | 11433300322423423 |
6 | 241230410530224 |
7 | 21215043403645 |
oct | 3053770016350 |
9 | 667327821707 |
10 | 212061920488 |
11 | 81a31475630 |
12 | 35123136974 |
13 | 16cc7253b32 |
14 | a39a01adcc |
15 | 57b237695d |
hex | 315fe01ce8 |
212061920488 has 32 divisors (see below), whose sum is σ = 433915146720. Its totient is φ = 96357976000.
The previous prime is 212061920479. The next prime is 212061920507. The reversal of 212061920488 is 884029160212.
212061920488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169378 + ... + 672913.
It is an arithmetic number, because the mean of its divisors is an integer number (13559848335).
Almost surely, 2212061920488 is an apocalyptic number.
It is an amenable number.
212061920488 is an abundant number, since it is smaller than the sum of its proper divisors (221853226232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212061920488 is a wasteful number, since it uses less digits than its factorization.
212061920488 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 845169 (or 845165 counting only the distinct ones).
The product of its (nonzero) digits is 110592, while the sum is 43.
The spelling of 212061920488 in words is "two hundred twelve billion, sixty-one million, nine hundred twenty thousand, four hundred eighty-eight".
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