Search a number
-
+
512851538749 = 1124790179627
BaseRepresentation
bin1110111011010000101…
…01010111001100111101
31211000202111122112011011
413131220111113030331
531400304443214444
61031333432155221
752023640103344
oct7355025271475
91730674575134
10512851538749
11188554361800
1283488b38b11
133949183c084
141ab71d84b5b
15d51900b734
hex776855733d

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".

Divisors: 1 11 47 121 517 5687 90179627 991975897 4238442469 10911734867 46622867159 512851538749