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28063024641 = 331039371283
BaseRepresentation
bin11010001000101011…
…111100011000000001
32200102202112100201000
4122020223330120001
5424433113242031
620520400002213
72012266526241
oct321053743001
980382470630
1028063024641
11109a0933853
125532300369
132852cb6632
1415030b7b21
15ae3a653e6
hex688afc601

28063024641 has 8 divisors (see below), whose sum is σ = 41574851360. Its totient is φ = 18708683076.

The previous prime is 28063024637. The next prime is 28063024711. The reversal of 28063024641 is 14642036082.

28063024641 is a `hidden beast` number, since 2 + 8 + 0 + 6 + 3 + 0 + 2 + 4 + 641 = 666.

It is not a de Polignac number, because 28063024641 - 22 = 28063024637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28063024596 and 28063024605.

It is not an unprimeable number, because it can be changed into a prime (28063024631) 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, 519685615 + ... + 519685668.

It is an arithmetic number, because the mean of its divisors is an integer number (5196856420).

Almost surely, 228063024641 is an apocalyptic number.

It is an amenable number.

28063024641 is a deficient number, since it is larger than the sum of its proper divisors (13511826719).

28063024641 is a wasteful number, since it uses less digits than its factorization.

28063024641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039371292 (or 1039371286 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 28063024641 in words is "twenty-eight billion, sixty-three million, twenty-four thousand, six hundred forty-one".

Divisors: 1 3 9 27 1039371283 3118113849 9354341547 28063024641