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52872609567 = 317624203189
BaseRepresentation
bin110001001111011100…
…111111111100011111
312001110210010212010210
4301033130333330133
51331240342001232
640142255303503
73551142523521
oct611734777437
9161423125123
1052872609567
1120472234148
12a2b6b1ab93
134ca7c404bb
1427b8055a11
151596b735cc
hexc4f73ff1f

52872609567 has 4 divisors (see below), whose sum is σ = 70496812760. Its totient is φ = 35248406376.

The previous prime is 52872609541. The next prime is 52872609589. The reversal of 52872609567 is 76590627825.

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

It is not a de Polignac number, because 52872609567 - 210 = 52872608543 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 (52872609067) 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, 8812101592 + ... + 8812101597.

It is an arithmetic number, because the mean of its divisors is an integer number (17624203190).

Almost surely, 252872609567 is an apocalyptic number.

52872609567 is a deficient number, since it is larger than the sum of its proper divisors (17624203193).

52872609567 is a wasteful number, since it uses less digits than its factorization.

52872609567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17624203192.

The product of its (nonzero) digits is 12700800, while the sum is 57.

The spelling of 52872609567 in words is "fifty-two billion, eight hundred seventy-two million, six hundred nine thousand, five hundred sixty-seven".

Divisors: 1 3 17624203189 52872609567