Base | Representation |
---|---|
bin | 1010111010010000… |
… | …01010010000001011 |
3 | 120010012201010010221 |
4 | 11131020022100023 |
5 | 43443442400111 |
6 | 2405120050511 |
7 | 265102654402 |
oct | 53510122013 |
9 | 16105633127 |
10 | 5857387531 |
11 | 2536384a46 |
12 | 1175763a37 |
13 | 7246855a8 |
14 | 3d7cc8639 |
15 | 244367371 |
hex | 15d20a40b |
5857387531 has 4 divisors (see below), whose sum is σ = 5857999072. Its totient is φ = 5856775992.
The previous prime is 5857387513. The next prime is 5857387577. The reversal of 5857387531 is 1357837585.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-5857387531 is a prime.
It is a super-2 number, since 2×58573875312 = 68617977376628551922, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (5857387511) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291171 + ... + 310636.
It is an arithmetic number, because the mean of its divisors is an integer number (1464499768).
Almost surely, 25857387531 is an apocalyptic number.
5857387531 is a deficient number, since it is larger than the sum of its proper divisors (611541).
5857387531 is an equidigital number, since it uses as much as digits as its factorization.
5857387531 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 611540.
The product of its digits is 3528000, while the sum is 52.
The square root of 5857387531 is about 76533.5712677776. The cubic root of 5857387531 is about 1802.6081050734.
The spelling of 5857387531 in words is "five billion, eight hundred fifty-seven million, three hundred eighty-seven thousand, five hundred thirty-one".
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