Base | Representation |
---|---|
bin | 111001010011110… |
… | …1000100000000001 |
3 | 11222000110010021201 |
4 | 1302213220200001 |
5 | 12414241222004 |
6 | 514452221201 |
7 | 65440110022 |
oct | 16247504001 |
9 | 4860403251 |
10 | 1922992129 |
11 | 8a752a4a3 |
12 | 45800a801 |
13 | 248523b86 |
14 | 143570c49 |
15 | b3c506a4 |
hex | 729e8801 |
1922992129 has 2 divisors, whose sum is σ = 1922992130. Its totient is φ = 1922992128.
The previous prime is 1922992087. The next prime is 1922992139. The reversal of 1922992129 is 9212992291.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1921945600 + 1046529 = 43840^2 + 1023^2 .
It is a cyclic number.
It is not a de Polignac number, because 1922992129 - 211 = 1922990081 is a prime.
It is a super-3 number, since 3×19229921293 (a number of 29 digits) contains 333 as substring.
It is not a weakly prime, because it can be changed into another prime (1922992139) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 961496064 + 961496065.
It is an arithmetic number, because the mean of its divisors is an integer number (961496065).
Almost surely, 21922992129 is an apocalyptic number.
It is an amenable number.
1922992129 is a deficient number, since it is larger than the sum of its proper divisors (1).
1922992129 is an equidigital number, since it uses as much as digits as its factorization.
1922992129 is an evil number, because the sum of its binary digits is even.
The product of its digits is 104976, while the sum is 46.
The square root of 1922992129 is about 43851.9341534669. The cubic root of 1922992129 is about 1243.5383089829.
The spelling of 1922992129 in words is "one billion, nine hundred twenty-two million, nine hundred ninety-two thousand, one hundred twenty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.227 sec. • engine limits •