Base | Representation |
---|---|
bin | 111010101010110… |
… | …1111010010010111 |
3 | 12002012022220202201 |
4 | 1311111233102113 |
5 | 13012432223413 |
6 | 523202345331 |
7 | 66533050522 |
oct | 16525572227 |
9 | 5065286681 |
10 | 1968632983 |
11 | 920273109 |
12 | 46b35b247 |
13 | 254b140b5 |
14 | 149651bb9 |
15 | b7c689dd |
hex | 7556f497 |
1968632983 has 2 divisors, whose sum is σ = 1968632984. Its totient is φ = 1968632982.
The previous prime is 1968632947. The next prime is 1968632987. The reversal of 1968632983 is 3892368691.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1968632983 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1968632987) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 984316491 + 984316492.
It is an arithmetic number, because the mean of its divisors is an integer number (984316492).
Almost surely, 21968632983 is an apocalyptic number.
1968632983 is a deficient number, since it is larger than the sum of its proper divisors (1).
1968632983 is an equidigital number, since it uses as much as digits as its factorization.
1968632983 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 3359232, while the sum is 55.
The square root of 1968632983 is about 44369.2797214469. The cubic root of 1968632983 is about 1253.2996518805.
The spelling of 1968632983 in words is "one billion, nine hundred sixty-eight million, six hundred thirty-two thousand, nine hundred eighty-three".
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