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56315243453 = 771113310349
BaseRepresentation
bin110100011100101001…
…100110101110111101
312101100201001210000112
4310130221212232331
51410313200242303
641512035035405
74032354446150
oct643451465675
9171321053015
1056315243453
1121979539a17
12aab7a3bb65
135406242981
142a2335dc97
1516e8eed0d8
hexd1ca66bbd

56315243453 has 8 divisors (see below), whose sum is σ = 65266761600. Its totient is φ = 47590346160.

The previous prime is 56315243437. The next prime is 56315243461. The reversal of 56315243453 is 35434251365.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56315243453 - 24 = 56315243437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56315243453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56315243423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56654678 + ... + 56655671.

It is an arithmetic number, because the mean of its divisors is an integer number (8158345200).

Almost surely, 256315243453 is an apocalyptic number.

It is an amenable number.

56315243453 is a deficient number, since it is larger than the sum of its proper divisors (8951518147).

56315243453 is a wasteful number, since it uses less digits than its factorization.

56315243453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113310427.

The product of its digits is 648000, while the sum is 41.

The spelling of 56315243453 in words is "fifty-six billion, three hundred fifteen million, two hundred forty-three thousand, four hundred fifty-three".

Divisors: 1 7 71 497 113310349 793172443 8045034779 56315243453