Base | Representation |
---|---|
bin | 110101011110111110… |
… | …010010101110011100 |
3 | 12111020020211202222110 |
4 | 311132332102232130 |
5 | 1420103024302110 |
6 | 42214304314020 |
7 | 4102055425626 |
oct | 653676225634 |
9 | 174206752873 |
10 | 57427962780 |
11 | 2239a651471 |
12 | b168612910 |
13 | 5552927b86 |
14 | 2acb04dc16 |
15 | 1761a47a20 |
hex | d5ef92b9c |
57427962780 has 48 divisors (see below), whose sum is σ = 162221308704. Its totient is φ = 15178598400.
The previous prime is 57427962743. The next prime is 57427962833. The reversal of 57427962780 is 8726972475.
It is a super-2 number, since 2×574279627802 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 57427962780.
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, 4228321 + ... + 4241880.
It is an arithmetic number, because the mean of its divisors is an integer number (3379610598).
Almost surely, 257427962780 is an apocalyptic number.
It is an amenable number.
57427962780 is an abundant number, since it is smaller than the sum of its proper divisors (104793345924).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57427962780 is a wasteful number, since it uses less digits than its factorization.
57427962780 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8470326 (or 8470324 counting only the distinct ones).
The product of its (nonzero) digits is 11854080, while the sum is 57.
The spelling of 57427962780 in words is "fifty-seven billion, four hundred twenty-seven million, nine hundred sixty-two thousand, seven hundred eighty".
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