Base | Representation |
---|---|
bin | 10000101011110100… |
… | …010001000111100001 |
3 | 1201020112012211200220 |
4 | 100223310101013201 |
5 | 243142214203243 |
6 | 12121404233253 |
7 | 1202643624450 |
oct | 205364210741 |
9 | 51215184626 |
10 | 17914991073 |
11 | 76635aaa51 |
12 | 357b83b829 |
13 | 18c6738345 |
14 | c1d41cb97 |
15 | 6ecbb5783 |
hex | 42bd111e1 |
17914991073 has 32 divisors (see below), whose sum is σ = 28754611200. Its totient is φ = 9692001216.
The previous prime is 17914991033. The next prime is 17914991117. The reversal of 17914991073 is 37019941971.
It is not a de Polignac number, because 17914991073 - 217 = 17914860001 is a prime.
It is not an unprimeable number, because it can be changed into a prime (17914991033) 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, 632115 + ... + 659847.
It is an arithmetic number, because the mean of its divisors is an integer number (898581600).
Almost surely, 217914991073 is an apocalyptic number.
It is an amenable number.
17914991073 is a deficient number, since it is larger than the sum of its proper divisors (10839620127).
17914991073 is a wasteful number, since it uses less digits than its factorization.
17914991073 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29381.
The product of its (nonzero) digits is 428652, while the sum is 51.
The spelling of 17914991073 in words is "seventeen billion, nine hundred fourteen million, nine hundred ninety-one thousand, seventy-three".
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