Base | Representation |
---|---|
bin | 110101010010101101… |
… | …101011101001100110 |
3 | 12110200220211002202111 |
4 | 311102231223221212 |
5 | 1414142401004310 |
6 | 42142040031234 |
7 | 4064010241000 |
oct | 652255535146 |
9 | 173626732674 |
10 | 57222281830 |
11 | 222a453930a |
12 | b10b76251a |
13 | 551c131b7c |
14 | 2aab9cd370 |
15 | 174d96a28a |
hex | d52b6ba66 |
57222281830 has 32 divisors (see below), whose sum is σ = 120116750400. Its totient is φ = 19619066880.
The previous prime is 57222281813. The next prime is 57222281869. The reversal of 57222281830 is 3818222275.
It is a congruent number.
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, 8338011 + ... + 8344870.
It is an arithmetic number, because the mean of its divisors is an integer number (3753648450).
Almost surely, 257222281830 is an apocalyptic number.
57222281830 is an abundant number, since it is smaller than the sum of its proper divisors (62894468570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57222281830 is a wasteful number, since it uses less digits than its factorization.
57222281830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16682909 (or 16682895 counting only the distinct ones).
The product of its (nonzero) digits is 107520, while the sum is 40.
The spelling of 57222281830 in words is "fifty-seven billion, two hundred twenty-two million, two hundred eighty-one thousand, eight hundred thirty".
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