Base | Representation |
---|---|
bin | 11100111110011011… |
… | …000011110101010111 |
3 | 2222022020211000000021 |
4 | 130332123003311113 |
5 | 1002204141131210 |
6 | 22143115130011 |
7 | 2150662036060 |
oct | 347633036527 |
9 | 88266730007 |
10 | 31112052055 |
11 | 12215a40217 |
12 | 6043443907 |
13 | 2c1a8a5676 |
14 | 1712003567 |
15 | c21590bda |
hex | 73e6c3d57 |
31112052055 has 16 divisors (see below), whose sum is σ = 42929731584. Its totient is φ = 21203091360.
The previous prime is 31112052043. The next prime is 31112052089. The reversal of 31112052055 is 55025021113.
It is not a de Polignac number, because 31112052055 - 213 = 31112043863 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2721031 + ... + 2732440.
It is an arithmetic number, because the mean of its divisors is an integer number (2683108224).
Almost surely, 231112052055 is an apocalyptic number.
31112052055 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
31112052055 is a deficient number, since it is larger than the sum of its proper divisors (11817679529).
31112052055 is a wasteful number, since it uses less digits than its factorization.
31112052055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5453646.
The product of its (nonzero) digits is 1500, while the sum is 25.
Adding to 31112052055 its reverse (55025021113), we get a palindrome (86137073168).
The spelling of 31112052055 in words is "thirty-one billion, one hundred twelve million, fifty-two thousand, fifty-five".
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