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16731234345 = 357159345089
BaseRepresentation
bin11111001010100001…
…00110000000101001
31121012000202202202010
433211100212000221
5233231143444340
611404120230133
71131421100610
oct174520460051
947160682663
1016731234345
117106389001
1232ab30b349
131768410387
14b4a11a877
1567dcd7b80
hex3e5426029

16731234345 has 16 divisors (see below), whose sum is σ = 30594257280. Its totient is φ = 7648564224.

The previous prime is 16731234341. The next prime is 16731234361. The reversal of 16731234345 is 54343213761.

It is not a de Polignac number, because 16731234345 - 22 = 16731234341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16731234341) 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, 79672440 + ... + 79672649.

It is an arithmetic number, because the mean of its divisors is an integer number (1912141080).

Almost surely, 216731234345 is an apocalyptic number.

16731234345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16731234345 is a deficient number, since it is larger than the sum of its proper divisors (13863022935).

16731234345 is a wasteful number, since it uses less digits than its factorization.

16731234345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159345104.

The product of its digits is 181440, while the sum is 39.

The spelling of 16731234345 in words is "sixteen billion, seven hundred thirty-one million, two hundred thirty-four thousand, three hundred forty-five".

Divisors: 1 3 5 7 15 21 35 105 159345089 478035267 796725445 1115415623 2390176335 3346246869 5577078115 16731234345