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56840756043 = 318946918681
BaseRepresentation
bin110100111011111110…
…010001101101001011
312102201022220120202210
4310323332101231023
51412402213143133
642040130400203
74051365311631
oct647376215513
9172638816683
1056840756043
1122119141345
12b023a30063
13548b08b376
142a73077351
15172a205763
hexd3bf91b4b

56840756043 has 4 divisors (see below), whose sum is σ = 75787674728. Its totient is φ = 37893837360.

The previous prime is 56840755999. The next prime is 56840756057. The reversal of 56840756043 is 34065704865.

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

It is not a de Polignac number, because 56840756043 - 210 = 56840755019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56840755983 and 56840756001.

It is not an unprimeable number, because it can be changed into a prime (56840756243) 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, 9473459338 + ... + 9473459343.

It is an arithmetic number, because the mean of its divisors is an integer number (18946918682).

Almost surely, 256840756043 is an apocalyptic number.

56840756043 is a deficient number, since it is larger than the sum of its proper divisors (18946918685).

56840756043 is a wasteful number, since it uses less digits than its factorization.

56840756043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18946918684.

The product of its (nonzero) digits is 2419200, while the sum is 48.

The spelling of 56840756043 in words is "fifty-six billion, eight hundred forty million, seven hundred fifty-six thousand, forty-three".

Divisors: 1 3 18946918681 56840756043