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16839008858 = 272171826621
BaseRepresentation
bin11111010111010111…
…01110001001011010
31121110112120021120202
433223223232021122
5233441241240413
611422530222202
71134200133200
oct175353561132
947415507522
1016839008858
1171611aa651
12331b424962
131784846789
14b5a573070
156884c5e58
hex3ebaee25a

16839008858 has 12 divisors (see below), whose sum is σ = 29382352362. Its totient is φ = 7216718040.

The previous prime is 16839008831. The next prime is 16839008863. The reversal of 16839008858 is 85880093861.

It can be written as a sum of positive squares in only one way, i.e., 14599163929 + 2239844929 = 120827^2 + 47327^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 85913213 + ... + 85913408.

Almost surely, 216839008858 is an apocalyptic number.

16839008858 is a deficient number, since it is larger than the sum of its proper divisors (12543343504).

16839008858 is a wasteful number, since it uses less digits than its factorization.

16839008858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171826637 (or 171826630 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 56.

The spelling of 16839008858 in words is "sixteen billion, eight hundred thirty-nine million, eight thousand, eight hundred fifty-eight".

Divisors: 1 2 7 14 49 98 171826621 343653242 1202786347 2405572694 8419504429 16839008858