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27740054863 = 103164112
BaseRepresentation
bin11001110101011011…
…111010010101001111
32122121020210210110101
4121311123322111033
5423302423223423
620424341351531
72001265401343
oct316533722517
978536723411
1027740054863
11108455a0884
1254621085a7
132801105761
1414b2245623
15ac551a7ad
hex6756fa54f

27740054863 has 6 divisors (see below), whose sum is σ = 28011082632. Its totient is φ = 27469060020.

The previous prime is 27740054831. The next prime is 27740054899. The reversal of 27740054863 is 36845004772.

It is not a de Polignac number, because 27740054863 - 25 = 27740054831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27740054803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1682128 + ... + 1698538.

It is an arithmetic number, because the mean of its divisors is an integer number (4668513772).

Almost surely, 227740054863 is an apocalyptic number.

27740054863 is a deficient number, since it is larger than the sum of its proper divisors (271027769).

27740054863 is an frugal number, since it uses more digits than its factorization.

27740054863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32925 (or 16514 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 27740054863 in words is "twenty-seven billion, seven hundred forty million, fifty-four thousand, eight hundred sixty-three".

Divisors: 1 103 16411 1690333 269320921 27740054863