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512401311 = 3272377867
BaseRepresentation
bin11110100010101…
…001111110011111
31022201011200110100
4132202221332133
52022133320221
6122502312143
715461224242
oct3642517637
91281150410
10512401311
11243267764
12123728653
1382207956
144c0a3259
152eeb7926
hex1e8a9f9f

512401311 has 12 divisors (see below), whose sum is σ = 740331592. Its totient is φ = 341510256.

The previous prime is 512401259. The next prime is 512401321. The reversal of 512401311 is 113104215.

It is not a de Polignac number, because 512401311 - 227 = 378183583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512401321) 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 11 ways as a sum of consecutive naturals, for example, 61200 + ... + 69066.

Almost surely, 2512401311 is an apocalyptic number.

512401311 is a deficient number, since it is larger than the sum of its proper divisors (227930281).

512401311 is a wasteful number, since it uses less digits than its factorization.

512401311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15110 (or 15107 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 512401311 is about 22636.2830650264. The cubic root of 512401311 is about 800.2089615599.

Adding to 512401311 its reverse (113104215), we get a palindrome (625505526).

The spelling of 512401311 in words is "five hundred twelve million, four hundred one thousand, three hundred eleven".

Divisors: 1 3 9 7237 7867 21711 23601 65133 70803 56933479 170800437 512401311