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27868749422 = 213934374711
BaseRepresentation
bin11001111101000110…
…110101111001101110
32122221012222011012112
4121331012311321232
5424033344440142
620445220004022
72004420314213
oct317506657156
978835864175
1027868749422
1110901200a18
125499230612
132821984c97
1414c5385b0a
15ad198c382
hex67d1b5e6e

27868749422 has 4 divisors (see below), whose sum is σ = 41803124136. Its totient is φ = 13934374710.

The previous prime is 27868749421. The next prime is 27868749437. The reversal of 27868749422 is 22494786872.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27868749421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6967187354 + ... + 6967187357.

It is an arithmetic number, because the mean of its divisors is an integer number (10450781034).

Almost surely, 227868749422 is an apocalyptic number.

27868749422 is a deficient number, since it is larger than the sum of its proper divisors (13934374714).

27868749422 is a wasteful number, since it uses less digits than its factorization.

27868749422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13934374713.

The product of its digits is 21676032, while the sum is 59.

The spelling of 27868749422 in words is "twenty-seven billion, eight hundred sixty-eight million, seven hundred forty-nine thousand, four hundred twenty-two".

Divisors: 1 2 13934374711 27868749422