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28026639714 = 238356278393
BaseRepresentation
bin11010000110100001…
…001001010101100010
32200100020001210222010
4122012201021111202
5424344304432324
620513020053350
72011345335603
oct320641112542
980306053863
1028026639714
1110982342267
125522094256
1328485b73a8
1414dc325daa
15ae0779829
hex686849562

28026639714 has 16 divisors (see below), whose sum is σ = 56728621152. Its totient is φ = 9229656288.

The previous prime is 28026639703. The next prime is 28026639731. The reversal of 28026639714 is 41793662082.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28138699 + ... + 28139694.

It is an arithmetic number, because the mean of its divisors is an integer number (3545538822).

Almost surely, 228026639714 is an apocalyptic number.

28026639714 is an abundant number, since it is smaller than the sum of its proper divisors (28701981438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28026639714 is a wasteful number, since it uses less digits than its factorization.

28026639714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56278481.

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 28026639714 in words is "twenty-eight billion, twenty-six million, six hundred thirty-nine thousand, seven hundred fourteen".

Divisors: 1 2 3 6 83 166 249 498 56278393 112556786 168835179 337670358 4671106619 9342213238 14013319857 28026639714