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27944484793 = 1572233492287
BaseRepresentation
bin11010000001100111…
…101111111110111001
32200010111110220121021
4122001213233332321
5424212242003133
620500523142441
72006330126101
oct320147577671
980114426537
1027944484793
111093aa2a035
1254ba674a21
132834581204
1414d145c201
15ad844c52d
hex6819effb9

27944484793 has 16 divisors (see below), whose sum is σ = 28341913600. Its totient is φ = 27550725696.

The previous prime is 27944484787. The next prime is 27944484811. The reversal of 27944484793 is 39748444972.

It is a cyclic number.

It is not a de Polignac number, because 27944484793 - 229 = 27407613881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27944484703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12217696 + ... + 12219982.

It is an arithmetic number, because the mean of its divisors is an integer number (1771369600).

Almost surely, 227944484793 is an apocalyptic number.

It is an amenable number.

27944484793 is a deficient number, since it is larger than the sum of its proper divisors (397428807).

27944484793 is a wasteful number, since it uses less digits than its factorization.

27944484793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3016.

The product of its digits is 48771072, while the sum is 61.

The spelling of 27944484793 in words is "twenty-seven billion, nine hundred forty-four million, four hundred eighty-four thousand, seven hundred ninety-three".

Divisors: 1 157 223 349 2287 35011 54793 77827 359059 510001 798163 12218839 80070157 125311591 177990349 27944484793