Base | Representation |
---|---|
bin | 10000110001101101… |
… | …000000101001001010 |
3 | 1201111102001102001122 |
4 | 100301231000221022 |
5 | 243343010030012 |
6 | 12135253115242 |
7 | 1205253236030 |
oct | 206155005112 |
9 | 51442042048 |
10 | 18013751882 |
11 | 7704325455 |
12 | 35a8928b22 |
13 | 1911036aa9 |
14 | c2c5aa550 |
15 | 7066c2e72 |
hex | 431b40a4a |
18013751882 has 64 divisors (see below), whose sum is σ = 32986275840. Its totient is φ = 7214054400.
The previous prime is 18013751881. The next prime is 18013751981. The reversal of 18013751882 is 28815731081.
It is not an unprimeable number, because it can be changed into a prime (18013751881) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2109782 + ... + 2118302.
It is an arithmetic number, because the mean of its divisors is an integer number (515410560).
Almost surely, 218013751882 is an apocalyptic number.
18013751882 is a deficient number, since it is larger than the sum of its proper divisors (14972523958).
18013751882 is a wasteful number, since it uses less digits than its factorization.
18013751882 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8727.
The product of its (nonzero) digits is 107520, while the sum is 44.
The spelling of 18013751882 in words is "eighteen billion, thirteen million, seven hundred fifty-one thousand, eight hundred eighty-two".
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