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16914970687 = 791279167407
BaseRepresentation
bin11111100000011010…
…11111100000111111
31121122211111112121211
433300031133200333
5234120213030222
611434242305251
71136111610226
oct176015374077
947584445554
1016914970687
1171a007291a
123340958227
1317974c1ac4
14b666a7cbd
1568eecd277
hex3f035f83f

16914970687 has 8 divisors (see below), whose sum is σ = 17142579200. Its totient is φ = 16687699704.

The previous prime is 16914970669. The next prime is 16914970717. The reversal of 16914970687 is 78607941961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16914970687 - 223 = 16906582079 is a prime.

It is a super-2 number, since 2×169149706872 (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 (16914970637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17338 + ... + 184744.

It is an arithmetic number, because the mean of its divisors is an integer number (2142822400).

Almost surely, 216914970687 is an apocalyptic number.

16914970687 is a deficient number, since it is larger than the sum of its proper divisors (227608513).

16914970687 is a wasteful number, since it uses less digits than its factorization.

16914970687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168765.

The product of its (nonzero) digits is 4572288, while the sum is 58.

The spelling of 16914970687 in words is "sixteen billion, nine hundred fourteen million, nine hundred seventy thousand, six hundred eighty-seven".

Divisors: 1 79 1279 101041 167407 13225153 214113553 16914970687