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16431030164 = 2210937685849
BaseRepresentation
bin11110100110101110…
…11001111110010100
31120102002212211000202
433103113121332110
5232122320431124
611314234000032
71121114311013
oct172327317624
946362784022
1016431030164
116a7198517a
123226876018
13171b170673
14b1c2d2a7a
156627885ae
hex3d35d9f94

16431030164 has 12 divisors (see below), whose sum is σ = 29018104500. Its totient is φ = 8140143168.

The previous prime is 16431030157. The next prime is 16431030271. The reversal of 16431030164 is 46103013461.

It can be written as a sum of positive squares in 2 ways, for example, as 11564851600 + 4866178564 = 107540^2 + 69758^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18842489 + ... + 18843360.

It is an arithmetic number, because the mean of its divisors is an integer number (2418175375).

Almost surely, 216431030164 is an apocalyptic number.

It is an amenable number.

16431030164 is a deficient number, since it is larger than the sum of its proper divisors (12587074336).

16431030164 is a wasteful number, since it uses less digits than its factorization.

16431030164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37685962 (or 37685960 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 16431030164 in words is "sixteen billion, four hundred thirty-one million, thirty thousand, one hundred sixty-four".

Divisors: 1 2 4 109 218 436 37685849 75371698 150743396 4107757541 8215515082 16431030164