Base | Representation |
---|---|
bin | 10001011110110101… |
… | …010110011100011111 |
3 | 1210110011210011221001 |
4 | 101132311112130133 |
5 | 301420323204210 |
6 | 12342341451131 |
7 | 1233106062016 |
oct | 213665263437 |
9 | 53404704831 |
10 | 18770913055 |
11 | 7a62766894 |
12 | 377a410aa7 |
13 | 1a01b6ac5b |
14 | ca0d83a7d |
15 | 74cdd703a |
hex | 45ed5671f |
18770913055 has 8 divisors (see below), whose sum is σ = 22702459392. Its totient is φ = 14898487968.
The previous prime is 18770913041. The next prime is 18770913079. The reversal of 18770913055 is 55031907781.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 18770913055 - 29 = 18770912543 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 18770912996 and 18770913014.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14779612 + ... + 14780881.
It is an arithmetic number, because the mean of its divisors is an integer number (2837807424).
Almost surely, 218770913055 is an apocalyptic number.
18770913055 is a deficient number, since it is larger than the sum of its proper divisors (3931546337).
18770913055 is a wasteful number, since it uses less digits than its factorization.
18770913055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29560625.
The product of its (nonzero) digits is 264600, while the sum is 46.
The spelling of 18770913055 in words is "eighteen billion, seven hundred seventy million, nine hundred thirteen thousand, fifty-five".
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