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52888121691 = 344279398143
BaseRepresentation
bin110001010000011000…
…001011000101011011
312001111212022221202220
4301100120023011123
51331303324343231
640144011555123
73551421421416
oct612030130533
9161455287686
1052888121691
112047aa69689
12a30015baa3
134cab211c82
1427ba132b7d
1515981d9896
hexc5060b15b

52888121691 has 8 divisors (see below), whose sum is σ = 70519265280. Its totient is φ = 35257862952.

The previous prime is 52888121687. The next prime is 52888121701. The reversal of 52888121691 is 19612188825.

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

It is not a de Polignac number, because 52888121691 - 22 = 52888121687 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52888121621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66235 + ... + 331908.

It is an arithmetic number, because the mean of its divisors is an integer number (8814908160).

Almost surely, 252888121691 is an apocalyptic number.

52888121691 is a deficient number, since it is larger than the sum of its proper divisors (17631143589).

52888121691 is a wasteful number, since it uses less digits than its factorization.

52888121691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442425.

The product of its digits is 552960, while the sum is 51.

The spelling of 52888121691 in words is "fifty-two billion, eight hundred eighty-eight million, one hundred twenty-one thousand, six hundred ninety-one".

Divisors: 1 3 44279 132837 398143 1194429 17629373897 52888121691