Base | Representation |
---|---|
bin | 11111001010100001… |
… | …00110000000101001 |
3 | 1121012000202202202010 |
4 | 33211100212000221 |
5 | 233231143444340 |
6 | 11404120230133 |
7 | 1131421100610 |
oct | 174520460051 |
9 | 47160682663 |
10 | 16731234345 |
11 | 7106389001 |
12 | 32ab30b349 |
13 | 1768410387 |
14 | b4a11a877 |
15 | 67dcd7b80 |
hex | 3e5426029 |
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".
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