Base | Representation |
---|---|
bin | 111000110111000111… |
… | …1101011010101000011 |
3 | 102200011222001001012021 |
4 | 1301232033223111003 |
5 | 4000034311001213 |
6 | 132032420542311 |
7 | 11551652501623 |
oct | 1615617532503 |
9 | 380158031167 |
10 | 122108687683 |
11 | 47871197414 |
12 | 1b7b9b51997 |
13 | b690027668 |
14 | 5ca5414883 |
15 | 329a186d8d |
hex | 1c6e3eb543 |
122108687683 has 2 divisors, whose sum is σ = 122108687684. Its totient is φ = 122108687682.
The previous prime is 122108687663. The next prime is 122108687699. The reversal of 122108687683 is 386786801221.
It is a strong prime.
It is an emirp because it is prime and its reverse (386786801221) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 122108687683 - 25 = 122108687651 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 122108687683.
It is not a weakly prime, because it can be changed into another prime (122108687663) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61054343841 + 61054343842.
It is an arithmetic number, because the mean of its divisors is an integer number (61054343842).
Almost surely, 2122108687683 is an apocalyptic number.
122108687683 is a deficient number, since it is larger than the sum of its proper divisors (1).
122108687683 is an equidigital number, since it uses as much as digits as its factorization.
122108687683 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1548288, while the sum is 52.
The spelling of 122108687683 in words is "one hundred twenty-two billion, one hundred eight million, six hundred eighty-seven thousand, six hundred eighty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •