Base | Representation |
---|---|
bin | 10000110010110010… |
… | …010011000001101010 |
3 | 1201112200020012022221 |
4 | 100302302103001222 |
5 | 243412132240424 |
6 | 12141142304254 |
7 | 1205563515043 |
oct | 206262230152 |
9 | 51480205287 |
10 | 18031915114 |
11 | 7713600794 |
12 | 35b2a2808a |
13 | 1914a26175 |
14 | c30b778ca |
15 | 7080ae9e4 |
hex | 432c9306a |
18031915114 has 8 divisors (see below), whose sum is σ = 27081226368. Its totient is φ = 9004839660.
The previous prime is 18031915073. The next prime is 18031915127. The reversal of 18031915114 is 41151913081.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 18031915114.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5556922 + ... + 5560165.
It is an arithmetic number, because the mean of its divisors is an integer number (3385153296).
Almost surely, 218031915114 is an apocalyptic number.
18031915114 is a deficient number, since it is larger than the sum of its proper divisors (9049311254).
18031915114 is a wasteful number, since it uses less digits than its factorization.
18031915114 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11117900.
The product of its (nonzero) digits is 4320, while the sum is 34.
The spelling of 18031915114 in words is "eighteen billion, thirty-one million, nine hundred fifteen thousand, one hundred fourteen".
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