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16285512812 = 2246111517673
BaseRepresentation
bin11110010101011000…
…10011010001101100
31120000222001202202012
433022230103101230
5231323042402222
611251555020352
71114366401122
oct171254232154
946028052665
1016285512812
1169a78248a8
1231a5b9a6b8
1316c6c80c1a
14b06c53912
15654ae21e2
hex3cab1346c

16285512812 has 24 divisors (see below), whose sum is σ = 28590008832. Its totient is φ = 8116976000.

The previous prime is 16285512809. The next prime is 16285512833. The reversal of 16285512812 is 21821558261.

16285512812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×162855128122 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16285512812.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2118608 + ... + 2126280.

It is an arithmetic number, because the mean of its divisors is an integer number (1191250368).

Almost surely, 216285512812 is an apocalyptic number.

It is an amenable number.

16285512812 is a deficient number, since it is larger than the sum of its proper divisors (12304496020).

16285512812 is a wasteful number, since it uses less digits than its factorization.

16285512812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9289 (or 9287 counting only the distinct ones).

The product of its digits is 76800, while the sum is 41.

The spelling of 16285512812 in words is "sixteen billion, two hundred eighty-five million, five hundred twelve thousand, eight hundred twelve".

Divisors: 1 2 4 461 922 1151 1844 2302 4604 7673 15346 30692 530611 1061222 2122444 3537253 7074506 8831623 14149012 17663246 35326492 4071378203 8142756406 16285512812