Base | Representation |
---|---|
bin | 110101001111100001… |
… | …011100001101111111 |
3 | 12110120012001221212221 |
4 | 311033201130031333 |
5 | 1414040144204442 |
6 | 42132444310211 |
7 | 4062460166002 |
oct | 651741341577 |
9 | 173505057787 |
10 | 57168741247 |
11 | 2227729a4a2 |
12 | b0b5842367 |
13 | 5511007057 |
14 | 2aa4853539 |
15 | 1748de1467 |
hex | d4f85c37f |
57168741247 has 4 divisors (see below), whose sum is σ = 57175684920. Its totient is φ = 57161797576.
The previous prime is 57168741211. The next prime is 57168741251. The reversal of 57168741247 is 74214786175.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 57168741247 - 215 = 57168708479 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 57168741194 and 57168741203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57168741277) 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, 3459472 + ... + 3475957.
It is an arithmetic number, because the mean of its divisors is an integer number (14293921230).
Almost surely, 257168741247 is an apocalyptic number.
57168741247 is a deficient number, since it is larger than the sum of its proper divisors (6943673).
57168741247 is an equidigital number, since it uses as much as digits as its factorization.
57168741247 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6943672.
The product of its digits is 2634240, while the sum is 52.
The spelling of 57168741247 in words is "fifty-seven billion, one hundred sixty-eight million, seven hundred forty-one thousand, two hundred forty-seven".
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