Base | Representation |
---|---|
bin | 110101110101000100… |
… | …110111010101111100 |
3 | 12112012002121110120210 |
4 | 311311010313111330 |
5 | 1421332442100010 |
6 | 42315152312420 |
7 | 4114210363311 |
oct | 656504672574 |
9 | 175162543523 |
10 | 57798784380 |
11 | 2256a9a81a7 |
12 | b250842710 |
13 | 55b16c143c |
14 | 2b243bad08 |
15 | 1784395b20 |
hex | d7513757c |
57798784380 has 24 divisors (see below), whose sum is σ = 161836596432. Its totient is φ = 15413009152.
The previous prime is 57798784363. The next prime is 57798784391. The reversal of 57798784380 is 8348789775.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481656477 + ... + 481656596.
It is an arithmetic number, because the mean of its divisors is an integer number (6743191518).
Almost surely, 257798784380 is an apocalyptic number.
It is an amenable number.
57798784380 is an abundant number, since it is smaller than the sum of its proper divisors (104037812052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57798784380 is a wasteful number, since it uses less digits than its factorization.
57798784380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 963313085 (or 963313083 counting only the distinct ones).
The product of its (nonzero) digits is 94832640, while the sum is 66.
The spelling of 57798784380 in words is "fifty-seven billion, seven hundred ninety-eight million, seven hundred eighty-four thousand, three hundred eighty".
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