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28010461707768 = 2331768653092421
BaseRepresentation
bin1100101111001101100011…
…00111101011110111111000
310200011202220020101201122010
412113212301213223313320
512132410411144122033
6135323454540525520
75620455232053651
oct627466147536770
9120152806351563
1028010461707768
118a1a196448151
123184746b508a0
1312824b5431007
146cb9dc0c8528
1533893a4ab863
hex1979b19ebdf8

28010461707768 has 32 divisors (see below), whose sum is σ = 74145339815760. Its totient is φ = 8787595829760.

The previous prime is 28010461707727. The next prime is 28010461707769. The reversal of 28010461707768 is 86770716401082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28010461707769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34326545803 + ... + 34326546618.

Almost surely, 228010461707768 is an apocalyptic number.

It is an amenable number.

28010461707768 is an abundant number, since it is smaller than the sum of its proper divisors (46134878107992).

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

28010461707768 is a wasteful number, since it uses less digits than its factorization.

28010461707768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68653092447 (or 68653092443 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 57.

The spelling of 28010461707768 in words is "twenty-eight trillion, ten billion, four hundred sixty-one million, seven hundred seven thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 408 68653092421 137306184842 205959277263 274612369684 411918554526 549224739368 823837109052 1167102571157 1647674218104 2334205142314 3501307713471 4668410284628 7002615426942 9336820569256 14005230853884 28010461707768