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16907040831 = 347672337681
BaseRepresentation
bin11111011111011110…
…01111100000111111
31121122021120122220110
433233233033200333
5234111200301311
611433400321103
71135654322142
oct175757174077
947567518813
1016907040831
11719664701a
12333a173193
131795976595
14b65602059
1568e4638a6
hex3efbcf83f

16907040831 has 32 divisors (see below), whose sum is σ = 23469308928. Its totient is φ = 10818846720.

The previous prime is 16907040817. The next prime is 16907040853. The reversal of 16907040831 is 13804070961.

It is not a de Polignac number, because 16907040831 - 218 = 16906778687 is a prime.

It is a super-2 number, since 2×169070408312 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16907040831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16907040331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2197311 + ... + 2204991.

It is an arithmetic number, because the mean of its divisors is an integer number (733415904).

Almost surely, 216907040831 is an apocalyptic number.

16907040831 is a deficient number, since it is larger than the sum of its proper divisors (6562268097).

16907040831 is a wasteful number, since it uses less digits than its factorization.

16907040831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8031.

The product of its (nonzero) digits is 36288, while the sum is 39.

The spelling of 16907040831 in words is "sixteen billion, nine hundred seven million, forty thousand, eight hundred thirty-one".

Divisors: 1 3 47 67 141 201 233 699 3149 7681 9447 10951 15611 23043 32853 46833 361007 514627 733717 1083021 1543881 1789673 2201151 5369019 24187469 72562407 84114631 119908091 252343893 359724273 5635680277 16907040831