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16408796990 = 254338159993
BaseRepresentation
bin11110100100000101…
…00101111100111110
31120100120001020211212
433102002211330332
5232101123000430
611312121244422
71120424321165
oct172202457476
946316036755
1016408796990
116a6037a053
12321b333712
131716687941
14b193863dc
15660845b95
hex3d20a5f3e

16408796990 has 16 divisors (see below), whose sum is σ = 30222715248. Its totient is φ = 6410878656.

The previous prime is 16408796983. The next prime is 16408797061. The reversal of 16408796990 is 9969780461.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19079567 + ... + 19080426.

It is an arithmetic number, because the mean of its divisors is an integer number (1888919703).

Almost surely, 216408796990 is an apocalyptic number.

16408796990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16408796990 is a deficient number, since it is larger than the sum of its proper divisors (13813918258).

16408796990 is a wasteful number, since it uses less digits than its factorization.

16408796990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38160043.

The product of its (nonzero) digits is 5878656, while the sum is 59.

The spelling of 16408796990 in words is "sixteen billion, four hundred eight million, seven hundred ninety-six thousand, nine hundred ninety".

Divisors: 1 2 5 10 43 86 215 430 38159993 76319986 190799965 381599930 1640879699 3281759398 8204398495 16408796990