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27745109022 = 238951957133
BaseRepresentation
bin11001110101101111…
…001100010000011110
32122121121022120110110
4121311233030100132
5423310221442042
620425041550450
72001356351451
oct316557142036
978547276413
1027745109022
1110848433074
125463945426
132802185097
1414b2b9d498
15ac5bb809c
hex675bcc41e

27745109022 has 16 divisors (see below), whose sum is σ = 56113704720. Its totient is φ = 9144455232.

The previous prime is 27745109009. The next prime is 27745109023. The reversal of 27745109022 is 22090154772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27745109023) 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 7 ways as a sum of consecutive naturals, for example, 25978033 + ... + 25979100.

It is an arithmetic number, because the mean of its divisors is an integer number (3507106545).

Almost surely, 227745109022 is an apocalyptic number.

27745109022 is an abundant number, since it is smaller than the sum of its proper divisors (28368595698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27745109022 is a wasteful number, since it uses less digits than its factorization.

27745109022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51957227.

The product of its (nonzero) digits is 70560, while the sum is 39.

The spelling of 27745109022 in words is "twenty-seven billion, seven hundred forty-five million, one hundred nine thousand, twenty-two".

Divisors: 1 2 3 6 89 178 267 534 51957133 103914266 155871399 311742798 4624184837 9248369674 13872554511 27745109022