Base | Representation |
---|---|
bin | 110110000000011011… |
… | …101001010100010100 |
3 | 12112200101002221121000 |
4 | 312000123221110110 |
5 | 1422230230234440 |
6 | 42350120023300 |
7 | 4122012651651 |
oct | 660033512424 |
9 | 175611087530 |
10 | 57989305620 |
11 | 226584a6674 |
12 | b2a4601b30 |
13 | 561200a1bc |
14 | 2b41812c28 |
15 | 1795e7b730 |
hex | d806e9514 |
57989305620 has 96 divisors (see below), whose sum is σ = 181185863040. Its totient is φ = 15397413120.
The previous prime is 57989305553. The next prime is 57989305637. The reversal of 57989305620 is 2650398975.
57989305620 is a `hidden beast` number, since 5 + 7 + 9 + 8 + 9 + 3 + 0 + 5 + 620 = 666.
It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104626 + ... + 356265.
It is an arithmetic number, because the mean of its divisors is an integer number (1887352740).
Almost surely, 257989305620 is an apocalyptic number.
It is an amenable number.
57989305620 is an abundant number, since it is smaller than the sum of its proper divisors (123196557420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57989305620 is a wasteful number, since it uses less digits than its factorization.
57989305620 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 461142 (or 461134 counting only the distinct ones).
The product of its (nonzero) digits is 4082400, while the sum is 54.
It can be divided in two parts, 57989 and 305620, that added together give a square (363609 = 6032).
The spelling of 57989305620 in words is "fifty-seven billion, nine hundred eighty-nine million, three hundred five thousand, six hundred twenty".
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