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28860908041 = 7171427169957
BaseRepresentation
bin11010111000001111…
…101000001000001001
32202111100220000222001
4122320033220020021
5433101343024131
621131501231001
72041125446020
oct327017501011
982440800861
1028860908041
1111270259419
125715562461
13294c3a7ca4
14157b0518b7
15b3db20261
hex6b83e8209

28860908041 has 16 divisors (see below), whose sum is σ = 34948803456. Its totient is φ = 23266296576.

The previous prime is 28860907993. The next prime is 28860908051. The reversal of 28860908041 is 14080906882.

It is a cyclic number.

It is not a de Polignac number, because 28860908041 - 211 = 28860905993 is a prime.

It is a super-3 number, since 3×288609080413 (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28860907982 and 28860908000.

It is not an unprimeable number, because it can be changed into a prime (28860908051) 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, 84835 + ... + 254791.

It is an arithmetic number, because the mean of its divisors is an integer number (2184300216).

Almost surely, 228860908041 is an apocalyptic number.

It is an amenable number.

28860908041 is a deficient number, since it is larger than the sum of its proper divisors (6087895415).

28860908041 is a wasteful number, since it uses less digits than its factorization.

28860908041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171408.

The product of its (nonzero) digits is 221184, while the sum is 46.

The spelling of 28860908041 in words is "twenty-eight billion, eight hundred sixty million, nine hundred eight thousand, forty-one".

Divisors: 1 7 17 119 1427 9989 24259 169813 169957 1189699 2889269 20224883 242528639 1697700473 4122986863 28860908041