Base | Representation |
---|---|
bin | 1110101101010010111… |
… | …10010000010000001111 |
3 | 1210022102000120011022210 |
4 | 13112221132100100033 |
5 | 31234431220012111 |
6 | 1024053455441503 |
7 | 51340103661450 |
oct | 7265136202017 |
9 | 1708360504283 |
10 | 505354454031 |
11 | 185357462019 |
12 | 81b36226293 |
13 | 38868561c7b |
14 | 1a6603d1127 |
15 | d22ac530a6 |
hex | 75a979040f |
505354454031 has 32 divisors (see below), whose sum is σ = 790729228800. Its totient is φ = 281058117120.
The previous prime is 505354454027. The next prime is 505354454039. The reversal of 505354454031 is 130454453505.
It is a happy number.
It is not a de Polignac number, because 505354454031 - 22 = 505354454027 is a prime.
It is a super-2 number, since 2×5053544540312 (a number of 24 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (505354454039) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 339646 + ... + 1061163.
It is an arithmetic number, because the mean of its divisors is an integer number (24710288400).
Almost surely, 2505354454031 is an apocalyptic number.
505354454031 is a deficient number, since it is larger than the sum of its proper divisors (285374774769).
505354454031 is a wasteful number, since it uses less digits than its factorization.
505354454031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1401279.
The product of its (nonzero) digits is 360000, while the sum is 39.
The spelling of 505354454031 in words is "five hundred five billion, three hundred fifty-four million, four hundred fifty-four thousand, thirty-one".
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