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16992930816 = 21033614617
BaseRepresentation
bin11111101001101101…
…11000110000000000
31121212021012022211000
433310312320300000
5234300142241231
611450105252000
71141046346231
oct176466706000
947767168730
1016992930816
117230080484
123362a94000
1317aa6b9864
14b72b9d088
15696c7c6e6
hex3f4db8c00

16992930816 has 88 divisors (see below), whose sum is σ = 50324921840. Its totient is φ = 5664301056.

The previous prime is 16992930803. The next prime is 16992930821. The reversal of 16992930816 is 61803929961.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279661 + ... + 334956.

Almost surely, 216992930816 is an apocalyptic number.

16992930816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16992930816 is an abundant number, since it is smaller than the sum of its proper divisors (33331991024).

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

16992930816 is an equidigital number, since it uses as much as digits as its factorization.

16992930816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614646 (or 614622 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 54.

The spelling of 16992930816 in words is "sixteen billion, nine hundred ninety-two million, nine hundred thirty thousand, eight hundred sixteen".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 128 144 192 216 256 288 384 432 512 576 768 864 1024 1152 1536 1728 2304 3072 3456 4608 6912 9216 13824 27648 614617 1229234 1843851 2458468 3687702 4916936 5531553 7375404 9833872 11063106 14750808 16594659 19667744 22126212 29501616 33189318 39335488 44252424 59003232 66378636 78670976 88504848 118006464 132757272 157341952 177009696 236012928 265514544 314683904 354019392 472025856 531029088 629367808 708038784 944051712 1062058176 1416077568 1888103424 2124116352 2832155136 4248232704 5664310272 8496465408 16992930816