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510912013 = 3581142673
BaseRepresentation
bin11110011100111…
…110011000001101
31022121101000112011
4132130332120031
52021243141023
6122410341221
715442452253
oct3634763015
91277330464
10510912013
1124243a837
1212312a811
1381b05b01
144bbd65d3
152ecc150d
hex1e73e60d

510912013 has 4 divisors (see below), whose sum is σ = 511058268. Its totient is φ = 510765760.

The previous prime is 510912007. The next prime is 510912019. The reversal of 510912013 is 310219015.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (510912007) and next prime (510912019).

It can be written as a sum of positive squares in 2 ways, for example, as 376282404 + 134629609 = 19398^2 + 11603^2 .

It is a cyclic number.

It is not a de Polignac number, because 510912013 - 25 = 510911981 is a prime.

It is a super-2 number, since 2×5109120132 = 522062170055424338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (510912019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67756 + ... + 74917.

It is an arithmetic number, because the mean of its divisors is an integer number (127764567).

Almost surely, 2510912013 is an apocalyptic number.

It is an amenable number.

510912013 is a deficient number, since it is larger than the sum of its proper divisors (146255).

510912013 is a wasteful number, since it uses less digits than its factorization.

510912013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146254.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 510912013 is about 22603.3628692724. The cubic root of 510912013 is about 799.4329382504.

The spelling of 510912013 in words is "five hundred ten million, nine hundred twelve thousand, thirteen".

Divisors: 1 3581 142673 510912013