Base | Representation |
---|---|
bin | 1110111010011010111… |
… | …11001100011011000101 |
3 | 1210222121010010110011021 |
4 | 13131031133030123011 |
5 | 31343344142144310 |
6 | 1031221022311141 |
7 | 52006530515665 |
oct | 7351537143305 |
9 | 1728533113137 |
10 | 512401131205 |
11 | 188343097967 |
12 | 833821284b1 |
13 | 3941c42ba32 |
14 | 1ab2c21c1a5 |
15 | d4de6dc5da |
hex | 774d7cc6c5 |
512401131205 has 16 divisors (see below), whose sum is σ = 620920535040. Its totient is φ = 405901778688.
The previous prime is 512401131199. The next prime is 512401131239. The reversal of 512401131205 is 502131104215.
It is a cyclic number.
It is not a de Polignac number, because 512401131205 - 23 = 512401131197 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 512401131205.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150604 + ... + 1023466.
It is an arithmetic number, because the mean of its divisors is an integer number (38807533440).
Almost surely, 2512401131205 is an apocalyptic number.
It is an amenable number.
512401131205 is a deficient number, since it is larger than the sum of its proper divisors (108519403835).
512401131205 is a wasteful number, since it uses less digits than its factorization.
512401131205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 874020.
The product of its (nonzero) digits is 1200, while the sum is 25.
The spelling of 512401131205 in words is "five hundred twelve billion, four hundred one million, one hundred thirty-one thousand, two hundred five".
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