Base | Representation |
---|---|
bin | 111011010111100… |
… | …1100010111010101 |
3 | 12010211110022000012 |
4 | 1312233030113111 |
5 | 13034433123101 |
6 | 525401130005 |
7 | 100236265604 |
oct | 16657142725 |
9 | 5124408005 |
10 | 1992082901 |
11 | 93252a406 |
12 | 477189905 |
13 | 2599348a3 |
14 | 14c7d7a3b |
15 | b9d4bbbb |
hex | 76bcc5d5 |
1992082901 has 2 divisors, whose sum is σ = 1992082902. Its totient is φ = 1992082900.
The previous prime is 1992082853. The next prime is 1992082907. The reversal of 1992082901 is 1092802991.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1610818225 + 381264676 = 40135^2 + 19526^2 .
It is a cyclic number.
It is not a de Polignac number, because 1992082901 - 218 = 1991820757 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1992082907) 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, 996041450 + 996041451.
It is an arithmetic number, because the mean of its divisors is an integer number (996041451).
Almost surely, 21992082901 is an apocalyptic number.
It is an amenable number.
1992082901 is a deficient number, since it is larger than the sum of its proper divisors (1).
1992082901 is an equidigital number, since it uses as much as digits as its factorization.
1992082901 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 23328, while the sum is 41.
The square root of 1992082901 is about 44632.7559198399. The cubic root of 1992082901 is about 1258.2563647652.
The spelling of 1992082901 in words is "one billion, nine hundred ninety-two million, eighty-two thousand, nine hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.749 sec. • engine limits •