Base | Representation |
---|---|
bin | 10001001010100011… |
… | …000001011100000101 |
3 | 1202120110100122221020 |
4 | 101022203001130011 |
5 | 300221211022401 |
6 | 12244502541353 |
7 | 1221504132015 |
oct | 211243013405 |
9 | 52513318836 |
10 | 18430564101 |
11 | 78a8633664 |
12 | 36a4437859 |
13 | 19794b3841 |
14 | c6baa9c45 |
15 | 72d0a7d36 |
hex | 44a8c1705 |
18430564101 has 16 divisors (see below), whose sum is σ = 24718337280. Its totient is φ = 12214964160.
The previous prime is 18430564069. The next prime is 18430564121. The reversal of 18430564101 is 10146503481.
It is not a de Polignac number, because 18430564101 - 25 = 18430564069 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18430564121) 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 15 ways as a sum of consecutive naturals, for example, 3153540 + ... + 3159378.
It is an arithmetic number, because the mean of its divisors is an integer number (1544896080).
Almost surely, 218430564101 is an apocalyptic number.
It is an amenable number.
18430564101 is a deficient number, since it is larger than the sum of its proper divisors (6287773179).
18430564101 is a wasteful number, since it uses less digits than its factorization.
18430564101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11836.
The product of its (nonzero) digits is 11520, while the sum is 33.
The spelling of 18430564101 in words is "eighteen billion, four hundred thirty million, five hundred sixty-four thousand, one hundred one".
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