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27940713895 = 5197211134437
BaseRepresentation
bin11010000001011001…
…010111010110100111
32200010020101022220101
4122001121113112213
5424210310321040
620500310244531
72006253102163
oct320131272647
980106338811
1027940713895
1110938893996
1254b9356747
132833860a03
1414d0b59ca3
15ad7e5509a
hex6816575a7

27940713895 has 16 divisors (see below), whose sum is σ = 33859016928. Its totient is φ = 22133543040.

The previous prime is 27940713887. The next prime is 27940713937. The reversal of 27940713895 is 59831704972.

It is a happy number.

It is not a de Polignac number, because 27940713895 - 23 = 27940713887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140617 + ... + 275053.

It is an arithmetic number, because the mean of its divisors is an integer number (2116188558).

Almost surely, 227940713895 is an apocalyptic number.

27940713895 is a deficient number, since it is larger than the sum of its proper divisors (5918303033).

27940713895 is a wasteful number, since it uses less digits than its factorization.

27940713895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134850.

The product of its (nonzero) digits is 3810240, while the sum is 55.

The spelling of 27940713895 in words is "twenty-seven billion, nine hundred forty million, seven hundred thirteen thousand, eight hundred ninety-five".

Divisors: 1 5 197 211 985 1055 41567 134437 207835 672185 26484089 28366207 132420445 141831035 5588142779 27940713895