Base | Representation |
---|---|
bin | 10001101010010011… |
… | …010011001100001001 |
3 | 1210221120211010121101 |
4 | 101222103103030021 |
5 | 302314102012132 |
6 | 12413413341401 |
7 | 1240633335016 |
oct | 215223231411 |
9 | 53846733541 |
10 | 18963313417 |
11 | 8051329054 |
12 | 3812937861 |
13 | 1a32994119 |
14 | cbc74870d |
15 | 75ec3e7e7 |
hex | 46a4d3309 |
18963313417 has 8 divisors (see below), whose sum is σ = 19191893760. Its totient is φ = 18735588480.
The previous prime is 18963313409. The next prime is 18963313433. The reversal of 18963313417 is 71431336981.
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 18963313417 - 23 = 18963313409 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (18966313417) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169192 + ... + 257977.
It is an arithmetic number, because the mean of its divisors is an integer number (2398986720).
Almost surely, 218963313417 is an apocalyptic number.
It is an amenable number.
18963313417 is a deficient number, since it is larger than the sum of its proper divisors (228580343).
18963313417 is a wasteful number, since it uses less digits than its factorization.
18963313417 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 427703.
The product of its digits is 326592, while the sum is 46.
The spelling of 18963313417 in words is "eighteen billion, nine hundred sixty-three million, three hundred thirteen thousand, four hundred seventeen".
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