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56828775973 = 126474493459
BaseRepresentation
bin110100111011010000…
…100100111000100101
312102200111100221012111
4310323100210320211
51412341131312343
642035021521021
74051161424414
oct647320447045
9172614327174
1056828775973
11221123a9562
12b01ba13171
135488755478
142a7163947b
15172913ac9d
hexd3b424e25

56828775973 has 4 divisors (see below), whose sum is σ = 56833282080. Its totient is φ = 56824269868.

The previous prime is 56828775961. The next prime is 56828775989. The reversal of 56828775973 is 37957782865.

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 a de Polignac number, because none of the positive numbers 2k-56828775973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56828775899 and 56828775908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56828775943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2234083 + ... + 2259376.

It is an arithmetic number, because the mean of its divisors is an integer number (14208320520).

Almost surely, 256828775973 is an apocalyptic number.

It is an amenable number.

56828775973 is a deficient number, since it is larger than the sum of its proper divisors (4506107).

56828775973 is a wasteful number, since it uses less digits than its factorization.

56828775973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4506106.

The product of its digits is 177811200, while the sum is 67.

The spelling of 56828775973 in words is "fifty-six billion, eight hundred twenty-eight million, seven hundred seventy-five thousand, nine hundred seventy-three".

Divisors: 1 12647 4493459 56828775973