Base | Representation |
---|---|
bin | 10001000011111111… |
… | …101000000111111111 |
3 | 1202021210111000211111 |
4 | 101003333220013333 |
5 | 300010034401304 |
6 | 12225534302451 |
7 | 1216000501234 |
oct | 210377500777 |
9 | 52253430744 |
10 | 18320622079 |
11 | 7851571591 |
12 | 3673657a27 |
13 | 195c79b9a6 |
14 | c5b24b78b |
15 | 7235dc704 |
hex | 443fe81ff |
18320622079 has 8 divisors (see below), whose sum is σ = 19009603712. Its totient is φ = 17637765120.
The previous prime is 18320622077. The next prime is 18320622083. The reversal of 18320622079 is 97022602381.
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 18320622079 - 21 = 18320622077 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 (18320622071) 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, 1525074 + ... + 1537039.
It is an arithmetic number, because the mean of its divisors is an integer number (2376200464).
Almost surely, 218320622079 is an apocalyptic number.
18320622079 is a deficient number, since it is larger than the sum of its proper divisors (688981633).
18320622079 is a wasteful number, since it uses less digits than its factorization.
18320622079 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3062337.
The product of its (nonzero) digits is 72576, while the sum is 40.
The spelling of 18320622079 in words is "eighteen billion, three hundred twenty million, six hundred twenty-two thousand, seventy-nine".
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