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16453545156 = 2232457042921
BaseRepresentation
bin11110101001011010…
…10010110011000100
31120110200020200210100
433110231102303010
5232144101421111
611320400324100
71121506553256
oct172455226304
946420220710
1016453545156
116a83663004
123232313630
131722a24749
14b212b3cd6
15664734756
hex3d4b52cc4

16453545156 has 18 divisors (see below), whose sum is σ = 41590905902. Its totient is φ = 5484515040.

The previous prime is 16453545127. The next prime is 16453545161. The reversal of 16453545156 is 65154535461.

16453545156 is a `hidden beast` number, since 1 + 6 + 4 + 53 + 545 + 1 + 56 = 666.

16453545156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 16392705156 + 60840000 = 128034^2 + 7800^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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 5 ways as a sum of consecutive naturals, for example, 228521425 + ... + 228521496.

Almost surely, 216453545156 is an apocalyptic number.

It is an amenable number.

16453545156 is an abundant number, since it is smaller than the sum of its proper divisors (25137360746).

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

16453545156 is a wasteful number, since it uses less digits than its factorization.

16453545156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457042931 (or 457042926 counting only the distinct ones).

The product of its digits is 1080000, while the sum is 45.

The spelling of 16453545156 in words is "sixteen billion, four hundred fifty-three million, five hundred forty-five thousand, one hundred fifty-six".

Divisors: 1 2 3 4 6 9 12 18 36 457042921 914085842 1371128763 1828171684 2742257526 4113386289 5484515052 8226772578 16453545156