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55651530013 = 79704449747
BaseRepresentation
bin110011110101000101…
…101111010100011101
312022122110011122100021
4303311011233110131
51402433242430023
641322125232141
74010045125432
oct636505572435
9168573148307
1055651530013
1121668924212
12a951702651
13532b899b21
14299d14db89
1516aaae735d
hexcf516f51d

55651530013 has 4 divisors (see below), whose sum is σ = 56355979840. Its totient is φ = 54947080188.

The previous prime is 55651529957. The next prime is 55651530037. The reversal of 55651530013 is 31003515655.

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 55651530013 - 29 = 55651529501 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 (55651530713) 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, 352224795 + ... + 352224952.

It is an arithmetic number, because the mean of its divisors is an integer number (14088994960).

Almost surely, 255651530013 is an apocalyptic number.

It is an amenable number.

55651530013 is a deficient number, since it is larger than the sum of its proper divisors (704449827).

55651530013 is an equidigital number, since it uses as much as digits as its factorization.

55651530013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704449826.

The product of its (nonzero) digits is 33750, while the sum is 34.

The spelling of 55651530013 in words is "fifty-five billion, six hundred fifty-one million, five hundred thirty thousand, thirteen".

Divisors: 1 79 704449747 55651530013