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16807982312 = 23111931332117
BaseRepresentation
bin11111010011101010…
…10111010011101000
31121101101011222011102
433221311113103220
5233410320413222
611415501220532
71133342330612
oct175165272350
947341158142
1016807982312
117145738980
123310b61748
13177b2a2484
14b563b7db2
156858e7d92
hex3e9d574e8

16807982312 has 64 divisors (see below), whose sum is σ = 36306187200. Its totient is φ = 7214538240.

The previous prime is 16807982239. The next prime is 16807982327. The reversal of 16807982312 is 21328970861.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 507278 + ... + 539394.

It is an arithmetic number, because the mean of its divisors is an integer number (567284175).

Almost surely, 216807982312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16807982312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18153093600).

16807982312 is an abundant number, since it is smaller than the sum of its proper divisors (19498204888).

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

16807982312 is a wasteful number, since it uses less digits than its factorization.

16807982312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32466 (or 32462 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 47.

The spelling of 16807982312 in words is "sixteen billion, eight hundred seven million, nine hundred eighty-two thousand, three hundred twelve".

Divisors: 1 2 4 8 11 19 22 38 44 76 88 152 209 313 418 626 836 1252 1672 2504 3443 5947 6886 11894 13772 23788 27544 32117 47576 64234 65417 128468 130834 256936 261668 353287 523336 610223 706574 1220446 1413148 2440892 2826296 4881784 6712453 10052621 13424906 20105242 26849812 40210484 53699624 80420968 110578831 190999799 221157662 381999598 442315324 763999196 884630648 1527998392 2100997789 4201995578 8403991156 16807982312