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16656306479 = 318913734397
BaseRepresentation
bin11111000001100101…
…10001000100101111
31120222210210001000222
433200302301010233
5233103003301404
611352442241555
71126521161201
oct174062610457
946883701028
1016656306479
11707806164a
12328a1b62bb
131755a37867
14b401b4771
15677436dbe
hex3e0cb112f

16656306479 has 16 divisors (see below), whose sum is σ = 17403413760. Its totient is φ = 15922663680.

The previous prime is 16656306437. The next prime is 16656306487. The reversal of 16656306479 is 97460365661.

16656306479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 16656306479 - 228 = 16387871023 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16656306479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16656306419) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3785909 + ... + 3790305.

It is an arithmetic number, because the mean of its divisors is an integer number (1087713360).

Almost surely, 216656306479 is an apocalyptic number.

16656306479 is a deficient number, since it is larger than the sum of its proper divisors (747107281).

16656306479 is a wasteful number, since it uses less digits than its factorization.

16656306479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5890.

The product of its (nonzero) digits is 4898880, while the sum is 53.

The spelling of 16656306479 in words is "sixteen billion, six hundred fifty-six million, three hundred six thousand, four hundred seventy-nine".

Divisors: 1 31 89 1373 2759 4397 42563 122197 136307 391333 3788107 6037081 12131323 187149511 537300209 16656306479