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27490758071 = 72737685423
BaseRepresentation
bin11001100110100100…
…111010110110110111
32121221212201012112212
4121212210322312313
5422300113224241
620343514204035
71662150405500
oct314644726667
977855635485
1027490758071
11107278a8477
1253b272361b
13279157b16a
14148b0adba7
15aad6c4beb
hex66693adb7

27490758071 has 12 divisors (see below), whose sum is σ = 32417118432. Its totient is φ = 23240716128.

The previous prime is 27490758067. The next prime is 27490758077. The reversal of 27490758071 is 17085709472.

It is a happy number.

It is not a de Polignac number, because 27490758071 - 22 = 27490758067 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 (27490758077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3839135 + ... + 3846288.

It is an arithmetic number, because the mean of its divisors is an integer number (2701426536).

Almost surely, 227490758071 is an apocalyptic number.

27490758071 is a deficient number, since it is larger than the sum of its proper divisors (4926360361).

27490758071 is an equidigital number, since it uses as much as digits as its factorization.

27490758071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7685510 (or 7685503 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 50.

The spelling of 27490758071 in words is "twenty-seven billion, four hundred ninety million, seven hundred fifty-eight thousand, seventy-one".

Divisors: 1 7 49 73 511 3577 7685423 53797961 376585727 561035879 3927251153 27490758071