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83899195641 = 3219490638571
BaseRepresentation
bin100111000100011001…
…0000010000011111001
322000120002010201212100
41032020302002003321
52333311143230031
6102313122534013
76030046252632
oct1161062020371
9260502121770
1083899195641
11326439aa518
1214315807309
137bb0bc0881
1440bc96c889
1522b0980de6
hex1388c820f9

83899195641 has 12 divisors (see below), whose sum is σ = 127566028720. Its totient is φ = 52988965560.

The previous prime is 83899195613. The next prime is 83899195657. The reversal of 83899195641 is 14659199838.

83899195641 is a `hidden beast` number, since 8 + 389 + 9 + 195 + 64 + 1 = 666.

It is not a de Polignac number, because 83899195641 - 25 = 83899195609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83899195661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 245319115 + ... + 245319456.

Almost surely, 283899195641 is an apocalyptic number.

It is an amenable number.

83899195641 is a deficient number, since it is larger than the sum of its proper divisors (43666833079).

83899195641 is a wasteful number, since it uses less digits than its factorization.

83899195641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490638596 (or 490638593 counting only the distinct ones).

The product of its digits is 16796160, while the sum is 63.

The spelling of 83899195641 in words is "eighty-three billion, eight hundred ninety-nine million, one hundred ninety-five thousand, six hundred forty-one".

Divisors: 1 3 9 19 57 171 490638571 1471915713 4415747139 9322132849 27966398547 83899195641