Base | Representation |
---|---|
bin | 10010101100110111… |
… | …111110011011101111 |
3 | 1220211102111001212101 |
4 | 102230313332123233 |
5 | 312111014131413 |
6 | 13120312515531 |
7 | 1310415042031 |
oct | 225467763357 |
9 | 56742431771 |
10 | 20080223983 |
11 | 8574843536 |
12 | 3a849abba7 |
13 | 1b801b5c51 |
14 | d86c09c51 |
15 | 7c7d15edd |
hex | 4acdfe6ef |
20080223983 has 2 divisors, whose sum is σ = 20080223984. Its totient is φ = 20080223982.
The previous prime is 20080223981. The next prime is 20080224011. The reversal of 20080223983 is 38932208002.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 20080223983 - 21 = 20080223981 is a prime.
Together with 20080223981, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (20080223981) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10040111991 + 10040111992.
It is an arithmetic number, because the mean of its divisors is an integer number (10040111992).
Almost surely, 220080223983 is an apocalyptic number.
20080223983 is a deficient number, since it is larger than the sum of its proper divisors (1).
20080223983 is an equidigital number, since it uses as much as digits as its factorization.
20080223983 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 41472, while the sum is 37.
It can be divided in two parts, 200802 and 23983, that added together give a triangular number (224785 = T670).
The spelling of 20080223983 in words is "twenty billion, eighty million, two hundred twenty-three thousand, nine hundred eighty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •