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512541325513 = 773220189359
BaseRepresentation
bin1110111010101011101…
…01111111100011001001
31210222221212221001121001
413131111311333203021
531344141034404023
61031242551215001
752013152245520
oct7352565774311
91728855831531
10512541325513
11188405241a28
1283401077461
13394424a6649
141ab42ab34b7
15d4ebb816ad
hex7755d7f8c9

512541325513 has 4 divisors (see below), whose sum is σ = 585761514880. Its totient is φ = 439321136148.

The previous prime is 512541325501. The next prime is 512541325531. The reversal of 512541325513 is 315523145215.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 512541325513 - 221 = 512539228361 is a prime.

It is a super-2 number, since 2×5125413255132 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (512541325613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36610094673 + ... + 36610094686.

It is an arithmetic number, because the mean of its divisors is an integer number (146440378720).

Almost surely, 2512541325513 is an apocalyptic number.

It is an amenable number.

512541325513 is a deficient number, since it is larger than the sum of its proper divisors (73220189367).

512541325513 is an equidigital number, since it uses as much as digits as its factorization.

512541325513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73220189366.

The product of its digits is 90000, while the sum is 37.

The spelling of 512541325513 in words is "five hundred twelve billion, five hundred forty-one million, three hundred twenty-five thousand, five hundred thirteen".

Divisors: 1 7 73220189359 512541325513