Base | Representation |
---|---|
bin | 10001001101011100… |
… | …010010000111110011 |
3 | 1202200211202000112222 |
4 | 101031130102013303 |
5 | 300321124112300 |
6 | 12253355511255 |
7 | 1222634001611 |
oct | 211534220763 |
9 | 52624660488 |
10 | 18479129075 |
11 | 7922a94200 |
12 | 36b875852b |
13 | 1986588a04 |
14 | c7430c6b1 |
15 | 73249c785 |
hex | 44d7121f3 |
18479129075 has 36 divisors (see below), whose sum is σ = 25332899424. Its totient is φ = 13361304000.
The previous prime is 18479129051. The next prime is 18479129093. The reversal of 18479129075 is 57092197481.
It is not a de Polignac number, because 18479129075 - 216 = 18479063539 is a prime.
It is a super-2 number, since 2×184791290752 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 505670 + ... + 540980.
Almost surely, 218479129075 is an apocalyptic number.
18479129075 is a deficient number, since it is larger than the sum of its proper divisors (6853770349).
18479129075 is a wasteful number, since it uses less digits than its factorization.
18479129075 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35516 (or 35500 counting only the distinct ones).
The product of its (nonzero) digits is 1270080, while the sum is 53.
The spelling of 18479129075 in words is "eighteen billion, four hundred seventy-nine million, one hundred twenty-nine thousand, seventy-five".
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