Base | Representation |
---|---|
bin | 10001010101100001… |
… | …110011111011000111 |
3 | 1210001022000121112222 |
4 | 101111201303323013 |
5 | 301110341432400 |
6 | 12315043402555 |
7 | 1226202104126 |
oct | 212541637307 |
9 | 53038017488 |
10 | 18614795975 |
11 | 7992626806 |
12 | 373608345b |
13 | 19a8709999 |
14 | c88345abd |
15 | 73e34a185 |
hex | 455873ec7 |
18614795975 has 24 divisors (see below), whose sum is σ = 23453543520. Its totient is φ = 14653184000.
The previous prime is 18614795971. The next prime is 18614795981. The reversal of 18614795975 is 57959741681.
It is not a de Polignac number, because 18614795975 - 22 = 18614795971 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18614795971) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 914711 + ... + 934839.
It is an arithmetic number, because the mean of its divisors is an integer number (977230980).
Almost surely, 218614795975 is an apocalyptic number.
18614795975 is a deficient number, since it is larger than the sum of its proper divisors (4838747545).
18614795975 is a wasteful number, since it uses less digits than its factorization.
18614795975 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20731 (or 20726 counting only the distinct ones).
The product of its digits is 19051200, while the sum is 62.
The spelling of 18614795975 in words is "eighteen billion, six hundred fourteen million, seven hundred ninety-five thousand, nine hundred seventy-five".
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