Base | Representation |
---|---|
bin | 110101001111011111… |
… | …011111101010011000 |
3 | 12110120011010001001021 |
4 | 311033133133222120 |
5 | 1414040031343224 |
6 | 42132425332224 |
7 | 4062452642410 |
oct | 651737375230 |
9 | 173504101037 |
10 | 57168231064 |
11 | 22276a8115a |
12 | b0b5637074 |
13 | 5510b88a79 |
14 | 2aa475d640 |
15 | 1748d401e4 |
hex | d4f7dfa98 |
57168231064 has 32 divisors (see below), whose sum is σ = 122511607200. Its totient is φ = 24499019520.
The previous prime is 57168231011. The next prime is 57168231067. The reversal of 57168231064 is 46013286175.
It is a self number, because there is not a number n which added to its sum of digits gives 57168231064.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57168231067) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1189452 + ... + 1236580.
It is an arithmetic number, because the mean of its divisors is an integer number (3828487725).
Almost surely, 257168231064 is an apocalyptic number.
It is an amenable number.
57168231064 is an abundant number, since it is smaller than the sum of its proper divisors (65343376136).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57168231064 is a wasteful number, since it uses less digits than its factorization.
57168231064 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68803 (or 68799 counting only the distinct ones).
The product of its (nonzero) digits is 241920, while the sum is 43.
The spelling of 57168231064 in words is "fifty-seven billion, one hundred sixty-eight million, two hundred thirty-one thousand, sixty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •