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28552114894 = 229709694327
BaseRepresentation
bin11010100101110101…
…101011001011001110
32201200211211201101211
4122211311223023032
5431433320134034
621041110525034
72030355654322
oct324565531316
981624751354
1028552114894
1111121a19576
12564a06677a
13290041ba54
14154c02d982
15b21975d64
hex6a5d6b2ce

28552114894 has 16 divisors (see below), whose sum is σ = 44367559200. Its totient is φ = 13764318624.

The previous prime is 28552114889. The next prime is 28552114901. The reversal of 28552114894 is 49841125582.

It is a happy number.

It is a congruent number.

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, 306042 + ... + 388285.

It is an arithmetic number, because the mean of its divisors is an integer number (2772972450).

Almost surely, 228552114894 is an apocalyptic number.

28552114894 is a deficient number, since it is larger than the sum of its proper divisors (15815444306).

28552114894 is a wasteful number, since it uses less digits than its factorization.

28552114894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695067.

The product of its digits is 921600, while the sum is 49.

The spelling of 28552114894 in words is "twenty-eight billion, five hundred fifty-two million, one hundred fourteen thousand, eight hundred ninety-four".

Divisors: 1 2 29 58 709 1418 20561 41122 694327 1388654 20135483 40270966 492277843 984555686 14276057447 28552114894