Base | Representation |
---|---|
bin | 10001100010011011… |
… | …011011001000100111 |
3 | 1210121101021100212222 |
4 | 101202123123020213 |
5 | 302031243203013 |
6 | 12352334302555 |
7 | 1234440526505 |
oct | 214233331047 |
9 | 53541240788 |
10 | 18831225383 |
11 | 7a93810393 |
12 | 3796657a5b |
13 | 1a114c7119 |
14 | ca8da3675 |
15 | 75334c508 |
hex | 4626db227 |
18831225383 has 8 divisors (see below), whose sum is σ = 18863480160. Its totient is φ = 18798998400.
The previous prime is 18831225377. The next prime is 18831225389. The reversal of 18831225383 is 38352213881.
It is an interprime number because it is at equal distance from previous prime (18831225377) and next prime (18831225389).
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 18831225383 - 212 = 18831221287 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18831225389) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 1681958 + ... + 1693116.
It is an arithmetic number, because the mean of its divisors is an integer number (2357935020).
Almost surely, 218831225383 is an apocalyptic number.
18831225383 is a deficient number, since it is larger than the sum of its proper divisors (32254777).
18831225383 is a wasteful number, since it uses less digits than its factorization.
18831225383 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13897.
The product of its digits is 276480, while the sum is 44.
The spelling of 18831225383 in words is "eighteen billion, eight hundred thirty-one million, two hundred twenty-five thousand, three hundred eighty-three".
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