Base | Representation |
---|---|
bin | 100100101101111100… |
… | …0110011110000000110 |
3 | 21112112021010100111100 |
4 | 1021123320303300012 |
5 | 2242441330430042 |
6 | 100120151120530 |
7 | 5461000460622 |
oct | 1113370636006 |
9 | 245467110440 |
10 | 78851030022 |
11 | 30493394a16 |
12 | 13347073146 |
13 | 758809981b |
14 | 3b60330182 |
15 | 20b76b324c |
hex | 125be33c06 |
78851030022 has 48 divisors (see below), whose sum is σ = 171627648192. Its totient is φ = 26163330480.
The previous prime is 78851030017. The next prime is 78851030039. The reversal of 78851030022 is 22003015887.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4339897 + ... + 4358027.
It is an arithmetic number, because the mean of its divisors is an integer number (3575576004).
Almost surely, 278851030022 is an apocalyptic number.
78851030022 is an abundant number, since it is smaller than the sum of its proper divisors (92776618170).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78851030022 is a wasteful number, since it uses less digits than its factorization.
78851030022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19233 (or 19230 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 36.
The spelling of 78851030022 in words is "seventy-eight billion, eight hundred fifty-one million, thirty thousand, twenty-two".
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