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11914004271 = 3131759173671
BaseRepresentation
bin10110001100010000…
…10100011100101111
31010202022022010101110
423012020110130233
5143344441114041
65250114243103
7601145236221
oct130610243457
933668263343
1011914004271
115064165824
122385b86493
13117b3b5390
14810434411
1549ae35516
hex2c621472f

11914004271 has 16 divisors (see below), whose sum is σ = 17117112320. Its totient is φ = 7327484640.

The previous prime is 11914004269. The next prime is 11914004353. The reversal of 11914004271 is 17240041911.

It is not a de Polignac number, because 11914004271 - 21 = 11914004269 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 (11914004471) 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, 18235 + ... + 155436.

It is an arithmetic number, because the mean of its divisors is an integer number (1069819520).

Almost surely, 211914004271 is an apocalyptic number.

11914004271 is a deficient number, since it is larger than the sum of its proper divisors (5203108049).

11914004271 is a wasteful number, since it uses less digits than its factorization.

11914004271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175446.

The product of its (nonzero) digits is 2016, while the sum is 30.

The spelling of 11914004271 in words is "eleven billion, nine hundred fourteen million, four thousand, two hundred seventy-one".

Divisors: 1 3 13 39 1759 5277 22867 68601 173671 521013 2257723 6773169 305487289 916461867 3971334757 11914004271