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16440820132 = 22111232930307
BaseRepresentation
bin11110100111111001…
…10000000110100100
31120102210022012100011
433103330300012210
5232132322221012
611315223500004
71121263444132
oct172374600644
946383265304
1016440820132
116a77461560
123229bb7604
1317201ba749
14b1d720752
1566356e1a7
hex3d3f301a4

16440820132 has 24 divisors (see below), whose sum is σ = 31390601760. Its totient is φ = 7472247360.

The previous prime is 16440820087. The next prime is 16440820153. The reversal of 16440820132 is 23102804461.

16440820132 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-3 number, since 3×164408201323 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 16440820094 and 16440820103.

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, 527323 + ... + 557629.

It is an arithmetic number, because the mean of its divisors is an integer number (1307941740).

Almost surely, 216440820132 is an apocalyptic number.

It is an amenable number.

16440820132 is a deficient number, since it is larger than the sum of its proper divisors (14949781628).

16440820132 is a wasteful number, since it uses less digits than its factorization.

16440820132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42651 (or 42649 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The spelling of 16440820132 in words is "sixteen billion, four hundred forty million, eight hundred twenty thousand, one hundred thirty-two".

Divisors: 1 2 4 11 22 44 12329 24658 30307 49316 60614 121228 135619 271238 333377 542476 666754 1333508 373655003 747310006 1494620012 4110205033 8220410066 16440820132