Base | Representation |
---|---|
bin | 110101101000011111… |
… | …111010001010100100 |
3 | 12111122101112211022010 |
4 | 311220133322022210 |
5 | 1420414432120040 |
6 | 42242213434220 |
7 | 4106035653144 |
oct | 655037721244 |
9 | 174571484263 |
10 | 57587770020 |
11 | 22471881a70 |
12 | b1b203b970 |
13 | 5579a7b981 |
14 | 2b0436c924 |
15 | 1770ab2e80 |
hex | d687fa2a4 |
57587770020 has 96 divisors (see below), whose sum is σ = 176738558976. Its totient is φ = 13894473600.
The previous prime is 57587770003. The next prime is 57587770033. The reversal of 57587770020 is 2007778575.
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 31 ways as a sum of consecutive naturals, for example, 67504 + ... + 346023.
It is an arithmetic number, because the mean of its divisors is an integer number (1841026656).
Almost surely, 257587770020 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 57587770020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88369279488).
57587770020 is an abundant number, since it is smaller than the sum of its proper divisors (119150788956).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57587770020 is a wasteful number, since it uses less digits than its factorization.
57587770020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 413761 (or 413759 counting only the distinct ones).
The product of its (nonzero) digits is 960400, while the sum is 48.
The spelling of 57587770020 in words is "fifty-seven billion, five hundred eighty-seven million, seven hundred seventy thousand, twenty".
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