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16669700031 = 361671359571
BaseRepresentation
bin11111000011001011…
…10110111110111111
31121000201222111112110
433201211312332333
5233114420400111
611354041305103
71130043053355
oct174145667677
947021874473
1016669700031
11708467a3a6
123292795193
131758746c3a
14b41c9d7d5
156786d05a6
hex3e1976fbf

16669700031 has 16 divisors (see below), whose sum is σ = 22927822208. Its totient is φ = 10767794400.

The previous prime is 16669700017. The next prime is 16669700039. The reversal of 16669700031 is 13000796661.

It is not a de Polignac number, because 16669700031 - 25 = 16669699999 is a prime.

It is a super-2 number, since 2×166697000312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16669700039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 667525 + ... + 692046.

It is an arithmetic number, because the mean of its divisors is an integer number (1432988888).

Almost surely, 216669700031 is an apocalyptic number.

16669700031 is a deficient number, since it is larger than the sum of its proper divisors (6258122177).

16669700031 is a wasteful number, since it uses less digits than its factorization.

16669700031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359702.

The product of its (nonzero) digits is 40824, while the sum is 39.

The spelling of 16669700031 in words is "sixteen billion, six hundred sixty-nine million, seven hundred thousand, thirty-one".

Divisors: 1 3 61 67 183 201 4087 12261 1359571 4078713 82933831 91091257 248801493 273273771 5556566677 16669700031