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90910102002 = 2315151683667
BaseRepresentation
bin101010010101010101…
…0100001000111110010
322200122200101200100220
41110222222201013302
52442140441231002
6105432530553510
76365560055106
oct1245252410762
9280580350326
1090910102002
1135611423205
1215751738896
13875a544a85
144585b27906
1525712017bc
hex152aaa11f2

90910102002 has 8 divisors (see below), whose sum is σ = 181820204016. Its totient is φ = 30303367332.

The previous prime is 90910101859. The next prime is 90910102021. The reversal of 90910102002 is 20020101909.

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

90910102002 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7575841828 + ... + 7575841839.

It is an arithmetic number, because the mean of its divisors is an integer number (22727525502).

Almost surely, 290910102002 is an apocalyptic number.

90910102002 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.

90910102002 is a wasteful number, since it uses less digits than its factorization.

90910102002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15151683672.

The product of its (nonzero) digits is 324, while the sum is 24.

The spelling of 90910102002 in words is "ninety billion, nine hundred ten million, one hundred two thousand, two".

Divisors: 1 2 3 6 15151683667 30303367334 45455051001 90910102002