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28908265674 = 234818044279
BaseRepresentation
bin11010111011000100…
…010010000011001010
32202121200000001102110
4122323010102003022
5433201004000144
621140312243150
72042242126641
oct327304220312
982550001373
1028908265674
1111294a64962
1257293a04b6
132959149762
14158345c358
15b42d770b9
hex6bb1120ca

28908265674 has 8 divisors (see below), whose sum is σ = 57816531360. Its totient is φ = 9636088556.

The previous prime is 28908265667. The next prime is 28908265679. The reversal of 28908265674 is 47656280982.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

28908265674 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (28908265679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2409022134 + ... + 2409022145.

It is an arithmetic number, because the mean of its divisors is an integer number (7227066420).

Almost surely, 228908265674 is an apocalyptic number.

28908265674 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28908265674 is a wasteful number, since it uses less digits than its factorization.

28908265674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4818044284.

The product of its (nonzero) digits is 11612160, while the sum is 57.

The spelling of 28908265674 in words is "twenty-eight billion, nine hundred eight million, two hundred sixty-five thousand, six hundred seventy-four".

Divisors: 1 2 3 6 4818044279 9636088558 14454132837 28908265674