Base | Representation |
---|---|
bin | 110101011100000010… |
… | …101001110000001011 |
3 | 12111002211021201200210 |
4 | 311130002221300023 |
5 | 1420002431232102 |
6 | 42205350132203 |
7 | 4100620350321 |
oct | 653402516013 |
9 | 174084251623 |
10 | 57378774027 |
11 | 22374905203 |
12 | b154051063 |
13 | 5545694ac3 |
14 | 2ac46c7d11 |
15 | 175c57d36c |
hex | d5c0a9c0b |
57378774027 has 16 divisors (see below), whose sum is σ = 76718378880. Its totient is φ = 38145972672.
The previous prime is 57378774001. The next prime is 57378774053. The reversal of 57378774027 is 72047787375.
It is an interprime number because it is at equal distance from previous prime (57378774001) and next prime (57378774053).
It is not a de Polignac number, because 57378774027 - 27 = 57378773899 is a prime.
It is not an unprimeable number, because it can be changed into a prime (57378774067) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1846999 + ... + 1877807.
It is an arithmetic number, because the mean of its divisors is an integer number (4794898680).
Almost surely, 257378774027 is an apocalyptic number.
57378774027 is a deficient number, since it is larger than the sum of its proper divisors (19339604853).
57378774027 is a wasteful number, since it uses less digits than its factorization.
57378774027 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32522.
The product of its (nonzero) digits is 16134720, while the sum is 57.
It can be divided in two parts, 57378 and 774027, that added together give a triangular number (831405 = T1289).
The spelling of 57378774027 in words is "fifty-seven billion, three hundred seventy-eight million, seven hundred seventy-four thousand, twenty-seven".
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