Base | Representation |
---|---|
bin | 10111001000010110110111… |
… | …01100101100101010010101 |
3 | 20200002121122121101202011002 |
4 | 23210023123230230222111 |
5 | 23131331340243144210 |
6 | 300102525415553045 |
7 | 13466565254562065 |
oct | 1344133354545225 |
9 | 220077577352132 |
10 | 50864688646805 |
11 | 15230658779660 |
12 | 5855b0138b785 |
13 | 224c69a613b47 |
14 | c7bc14dd73a5 |
15 | 5d31921084a5 |
hex | 2e42dbb2ca95 |
50864688646805 has 64 divisors (see below), whose sum is σ = 71713842739200. Its totient is φ = 34265226673920.
The previous prime is 50864688646787. The next prime is 50864688646813.
50864688646805 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 50864688646805 - 26 = 50864688646741 is a prime.
It is a super-2 number, since 2×508646886468052 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 85370 + ... + 10086459.
It is an arithmetic number, because the mean of its divisors is an integer number (1120528792800).
Almost surely, 250864688646805 is an apocalyptic number.
50864688646805 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
50864688646805 is a deficient number, since it is larger than the sum of its proper divisors (20849154092395).
50864688646805 is a wasteful number, since it uses less digits than its factorization.
50864688646805 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10171994.
The product of its (nonzero) digits is 2123366400, while the sum is 74.
The spelling of 50864688646805 in words is "fifty trillion, eight hundred sixty-four billion, six hundred eighty-eight million, six hundred forty-six thousand, eight hundred five".
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