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52877879013 = 317625959671
BaseRepresentation
bin110001001111110001…
…000110011011100101
312001111011001120110110
4301033301012123211
51331243214112023
640143004243233
73551235361401
oct611761063345
9161434046413
1052877879013
1120475203163
12a2b8840519
134ca9066b0b
1427b8a28101
151597364a93
hexc4fc466e5

52877879013 has 4 divisors (see below), whose sum is σ = 70503838688. Its totient is φ = 35251919340.

The previous prime is 52877879003. The next prime is 52877879017. The reversal of 52877879013 is 31097877825.

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 not a de Polignac number, because 52877879013 - 216 = 52877813477 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 (52877879017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8812979833 + ... + 8812979838.

It is an arithmetic number, because the mean of its divisors is an integer number (17625959672).

Almost surely, 252877879013 is an apocalyptic number.

It is an amenable number.

52877879013 is a deficient number, since it is larger than the sum of its proper divisors (17625959675).

52877879013 is a wasteful number, since it uses less digits than its factorization.

52877879013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17625959674.

The product of its (nonzero) digits is 5927040, while the sum is 57.

The spelling of 52877879013 in words is "fifty-two billion, eight hundred seventy-seven million, eight hundred seventy-nine thousand, thirteen".

Divisors: 1 3 17625959671 52877879013