Base | Representation |
---|---|
bin | 110101110101101000… |
… | …110101111010100001 |
3 | 12112012202100121221102 |
4 | 311311220311322201 |
5 | 1421342400400323 |
6 | 42320130404145 |
7 | 4114353504023 |
oct | 656550657241 |
9 | 175182317842 |
10 | 57808215713 |
11 | 2257525a096 |
12 | b253a30655 |
13 | 55b3644201 |
14 | 2b25754013 |
15 | 178510a328 |
hex | d75a35ea1 |
57808215713 has 4 divisors (see below), whose sum is σ = 57812691588. Its totient is φ = 57803739840.
The previous prime is 57808215701. The next prime is 57808215719. The reversal of 57808215713 is 31751280875.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 9780616609 + 48027599104 = 98897^2 + 219152^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-57808215713 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (57808215719) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2218508 + ... + 2244413.
It is an arithmetic number, because the mean of its divisors is an integer number (14453172897).
Almost surely, 257808215713 is an apocalyptic number.
It is an amenable number.
57808215713 is a deficient number, since it is larger than the sum of its proper divisors (4475875).
57808215713 is a wasteful number, since it uses less digits than its factorization.
57808215713 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4475874.
The product of its (nonzero) digits is 470400, while the sum is 47.
The spelling of 57808215713 in words is "fifty-seven billion, eight hundred eight million, two hundred fifteen thousand, seven hundred thirteen".
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