Base | Representation |
---|---|
bin | 11010001000001011100011… |
… | …11010011010001001110100 |
3 | 21112102201011201201102102100 |
4 | 31010011301322122021310 |
5 | 30012323222243433401 |
6 | 322110440132142100 |
7 | 15050015345354436 |
oct | 1504056172321164 |
9 | 245381151642370 |
10 | 57455688655476 |
11 | 17341903419941 |
12 | 653b369a67930 |
13 | 260a081b54a87 |
14 | 1028c27a58656 |
15 | 69984ac34b86 |
hex | 344171e9a274 |
57455688655476 has 72 divisors (see below), whose sum is σ = 149464279901664. Its totient is φ = 18596325504960.
The previous prime is 57455688655457. The next prime is 57455688655481. The reversal of 57455688655476 is 67455688655475.
57455688655476 is a `hidden beast` number, since 5 + 7 + 4 + 5 + 5 + 6 + 8 + 8 + 65 + 547 + 6 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 57455688655395 and 57455688655404.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43271550 + ... + 44579573.
It is an arithmetic number, because the mean of its divisors is an integer number (2075892776412).
Almost surely, 257455688655476 is an apocalyptic number.
It is an amenable number.
57455688655476 is an abundant number, since it is smaller than the sum of its proper divisors (92008591246188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57455688655476 is a wasteful number, since it uses less digits than its factorization.
57455688655476 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 87851661 (or 87851656 counting only the distinct ones).
The product of its digits is 33868800000, while the sum is 81.
Subtracting 57455688655476 from its reverse (67455688655475), we obtain a palindrome (9999999999999).
The spelling of 57455688655476 in words is "fifty-seven trillion, four hundred fifty-five billion, six hundred eighty-eight million, six hundred fifty-five thousand, four hundred seventy-six".
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