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52720142863 = 4110193126151
BaseRepresentation
bin110001000110010111…
…011000101000001111
312001002011020202010211
4301012113120220033
51330432324032423
640115211343251
73544311551263
oct610627305017
9161064222124
1052720142863
11203a4167703
12a273a51b27
134c8248990b
1427a1ac80a3
1515885a810d
hexc465d8a0f

52720142863 has 8 divisors (see below), whose sum is σ = 54011726496. Its totient is φ = 51428832000.

The previous prime is 52720142861. The next prime is 52720142879. The reversal of 52720142863 is 36824102725.

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

It is a cyclic number.

It is not a de Polignac number, because 52720142863 - 21 = 52720142861 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 (52720142861) 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 7 ways as a sum of consecutive naturals, for example, 354838 + ... + 480988.

It is an arithmetic number, because the mean of its divisors is an integer number (6751465812).

Almost surely, 252720142863 is an apocalyptic number.

52720142863 is a deficient number, since it is larger than the sum of its proper divisors (1291583633).

52720142863 is a wasteful number, since it uses less digits than its factorization.

52720142863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136385.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 52720142863 in words is "fifty-two billion, seven hundred twenty million, one hundred forty-two thousand, eight hundred sixty-three".

Divisors: 1 41 10193 126151 417913 5172191 1285857143 52720142863