Base | Representation |
---|---|
bin | 1110111011010000101… |
… | …01010111001100111101 |
3 | 1211000202111122112011011 |
4 | 13131220111113030331 |
5 | 31400304443214444 |
6 | 1031333432155221 |
7 | 52023640103344 |
oct | 7355025271475 |
9 | 1730674575134 |
10 | 512851538749 |
11 | 188554361800 |
12 | 83488b38b11 |
13 | 3949183c084 |
14 | 1ab71d84b5b |
15 | d51900b734 |
hex | 776855733d |
512851538749 has 12 divisors (see below), whose sum is σ = 575706745152. Its totient is φ = 456308907560.
The previous prime is 512851538737. The next prime is 512851538767. The reversal of 512851538749 is 947835158215.
It is not a de Polignac number, because 512851538749 - 27 = 512851538621 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 512851538693 and 512851538702.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (512851538729) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 45084127 + ... + 45095500.
It is an arithmetic number, because the mean of its divisors is an integer number (47975562096).
Almost surely, 2512851538749 is an apocalyptic number.
It is an amenable number.
512851538749 is a deficient number, since it is larger than the sum of its proper divisors (62855206403).
512851538749 is a wasteful number, since it uses less digits than its factorization.
512851538749 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90179696 (or 90179685 counting only the distinct ones).
The product of its digits is 12096000, while the sum is 58.
The spelling of 512851538749 in words is "five hundred twelve billion, eight hundred fifty-one million, five hundred thirty-eight thousand, seven hundred forty-nine".
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