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16880992512 = 283181121439
BaseRepresentation
bin11111011100010111…
…11000000100000000
31121120110120021022220
433232023320010000
5234033013230022
611431030131040
71135220032416
oct175613700400
947513507286
1016880992512
11718297558a
1233314b0a80
131790456187
14b61d812b6
1568c01a85c
hex3ee2f8100

16880992512 has 72 divisors (see below), whose sum is σ = 45176651520. Its totient is φ = 5595863040.

The previous prime is 16880992487. The next prime is 16880992543. The reversal of 16880992512 is 21529908861.

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, 78289 + ... + 199727.

Almost surely, 216880992512 is an apocalyptic number.

16880992512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16880992512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22588325760).

16880992512 is an abundant number, since it is smaller than the sum of its proper divisors (28295659008).

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

16880992512 is a wasteful number, since it uses less digits than its factorization.

16880992512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121639 (or 121625 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 51.

The spelling of 16880992512 in words is "sixteen billion, eight hundred eighty million, nine hundred ninety-two thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 181 192 256 362 384 543 724 768 1086 1448 2172 2896 4344 5792 8688 11584 17376 23168 34752 46336 69504 121439 139008 242878 364317 485756 728634 971512 1457268 1943024 2914536 3886048 5829072 7772096 11658144 15544192 21980459 23316288 31088384 43960918 46632576 65941377 87921836 93265152 131882754 175843672 263765508 351687344 527531016 703374688 1055062032 1406749376 2110124064 2813498752 4220248128 5626997504 8440496256 16880992512