Base | Representation |
---|---|
bin | 10001011101001011… |
… | …001000101111111100 |
3 | 1210101020101121000101 |
4 | 101131023020233330 |
5 | 301341211212232 |
6 | 12335505010444 |
7 | 1232320315024 |
oct | 213513105774 |
9 | 53336347011 |
10 | 18743069692 |
11 | 7a48a79746 |
12 | 3771023a24 |
13 | 19c916c7a9 |
14 | c9b3b6a84 |
15 | 74a7371e7 |
hex | 45d2c8bfc |
18743069692 has 48 divisors (see below), whose sum is σ = 34258291200. Its totient is φ = 8961543360.
The previous prime is 18743069671. The next prime is 18743069729. The reversal of 18743069692 is 29696034781.
It is a super-2 number, since 2×187430696922 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 8109217 + ... + 8111527.
It is an arithmetic number, because the mean of its divisors is an integer number (713714400).
Almost surely, 218743069692 is an apocalyptic number.
It is an amenable number.
18743069692 is a deficient number, since it is larger than the sum of its proper divisors (15515221508).
18743069692 is a wasteful number, since it uses less digits than its factorization.
18743069692 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2986 (or 2984 counting only the distinct ones).
The product of its (nonzero) digits is 3919104, while the sum is 55.
The spelling of 18743069692 in words is "eighteen billion, seven hundred forty-three million, sixty-nine thousand, six hundred ninety-two".
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