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87733698832 = 2413421796629
BaseRepresentation
bin101000110110101010…
…1100000000100010000
322101110022102200101001
41101231111200010100
52414134311330312
6104145421351344
76224060064343
oct1215525400420
9271408380331
1087733698832
113423142751a
1215005a08554
138372448880
144363d2245a
152437415057
hex146d560110

87733698832 has 20 divisors (see below), whose sum is σ = 183059737420. Its totient is φ = 40492476288.

The previous prime is 87733698817. The next prime is 87733698847. The reversal of 87733698832 is 23889633778.

It is an interprime number because it is at equal distance from previous prime (87733698817) and next prime (87733698847).

It can be written as a sum of positive squares in 2 ways, for example, as 29872282896 + 57861415936 = 172836^2 + 240544^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210898107 + ... + 210898522.

It is an arithmetic number, because the mean of its divisors is an integer number (9152986871).

Almost surely, 287733698832 is an apocalyptic number.

It is an amenable number.

87733698832 is an abundant number, since it is smaller than the sum of its proper divisors (95326038588).

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

87733698832 is a wasteful number, since it uses less digits than its factorization.

87733698832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421796650 (or 421796644 counting only the distinct ones).

The product of its digits is 73156608, while the sum is 64.

The spelling of 87733698832 in words is "eighty-seven billion, seven hundred thirty-three million, six hundred ninety-eight thousand, eight hundred thirty-two".

Divisors: 1 2 4 8 13 16 26 52 104 208 421796629 843593258 1687186516 3374373032 5483356177 6748746064 10966712354 21933424708 43866849416 87733698832