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16432013245 = 519331095477
BaseRepresentation
bin11110100110110110…
…01001111110111101
31120102011201202120011
433103123021332331
5232123043410440
611314311023221
71121125544104
oct172333117675
946364652504
1016432013245
116a7249683a
12322706ab11
13171b425c7b
14b1c4ab03b
156628ce9ea
hex3d36c9fbd

16432013245 has 16 divisors (see below), whose sum is σ = 19830579120. Its totient is φ = 13070905344.

The previous prime is 16432013231. The next prime is 16432013267. The reversal of 16432013245 is 54231023461.

It can be written as a sum of positive squares in 8 ways, for example, as 106276 + 16431906969 = 326^2 + 128187^2 .

It is a cyclic number.

It is not a de Polignac number, because 16432013245 - 221 = 16429916093 is a prime.

It is a super-2 number, since 2×164320132452 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2997447 + ... + 3002923.

It is an arithmetic number, because the mean of its divisors is an integer number (1239411195).

Almost surely, 216432013245 is an apocalyptic number.

It is an amenable number.

16432013245 is a deficient number, since it is larger than the sum of its proper divisors (3398565875).

16432013245 is a wasteful number, since it uses less digits than its factorization.

16432013245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8784.

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 16432013245 in words is "sixteen billion, four hundred thirty-two million, thirteen thousand, two hundred forty-five".

Divisors: 1 5 193 965 3109 5477 15545 27385 600037 1057061 3000185 5285305 17027993 85139965 3286402649 16432013245