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16864742732 = 2223183312421
BaseRepresentation
bin11111011010011011…
…11000110101001100
31121112022222200211012
433231031320311030
5234014333231412
611425245544352
71134631643105
oct175515706514
947468880735
1016864742732
117174786912
123327b750b8
131789c86a16
14b5db513ac
1568a8aac22
hex3ed378d4c

16864742732 has 12 divisors (see below), whose sum is σ = 30796486896. Its totient is φ = 8065746480.

The previous prime is 16864742731. The next prime is 16864742771. The reversal of 16864742732 is 23724746861.

It is not an unprimeable number, because it can be changed into a prime (16864742731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91656119 + ... + 91656302.

It is an arithmetic number, because the mean of its divisors is an integer number (2566373908).

Almost surely, 216864742732 is an apocalyptic number.

It is an amenable number.

16864742732 is a deficient number, since it is larger than the sum of its proper divisors (13931744164).

16864742732 is a wasteful number, since it uses less digits than its factorization.

16864742732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183312448 (or 183312446 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 50.

The spelling of 16864742732 in words is "sixteen billion, eight hundred sixty-four million, seven hundred forty-two thousand, seven hundred thirty-two".

Divisors: 1 2 4 23 46 92 183312421 366624842 733249684 4216185683 8432371366 16864742732