Base | Representation |
---|---|
bin | 1111000000010101… |
… | …01010001010100111 |
3 | 202210102111222102212 |
4 | 13200022222022213 |
5 | 112444244422311 |
6 | 3411212554035 |
7 | 403426442660 |
oct | 74012521247 |
9 | 22712458385 |
10 | 8055857831 |
11 | 346435a24a |
12 | 1689a8291b |
13 | 9b4c9c8a8 |
14 | 565c88367 |
15 | 322380c8b |
hex | 1e02aa2a7 |
8055857831 has 16 divisors (see below), whose sum is σ = 9277133568. Its totient is φ = 6852384000.
The previous prime is 8055857743. The next prime is 8055857867. The reversal of 8055857831 is 1387585508.
It is a happy number.
It is not a de Polignac number, because 8055857831 - 210 = 8055856807 is a prime.
It is a super-2 number, since 2×80558578312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 8055857831.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8055857891) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 513656 + ... + 529106.
It is an arithmetic number, because the mean of its divisors is an integer number (579820848).
Almost surely, 28055857831 is an apocalyptic number.
8055857831 is a deficient number, since it is larger than the sum of its proper divisors (1221275737).
8055857831 is a wasteful number, since it uses less digits than its factorization.
8055857831 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16022.
The product of its (nonzero) digits is 1344000, while the sum is 50.
The square root of 8055857831 is about 89754.4307040048. The cubic root of 8055857831 is about 2004.6440274082.
The spelling of 8055857831 in words is "eight billion, fifty-five million, eight hundred fifty-seven thousand, eight hundred thirty-one".
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