Base | Representation |
---|---|
bin | 100111001010010… |
… | …1101101101110101 |
3 | 10101120121210210221 |
4 | 1032110231231311 |
5 | 10142344143411 |
6 | 334220414341 |
7 | 44364160153 |
oct | 11624555565 |
9 | 3346553727 |
10 | 1314052981 |
11 | 6148264aa |
12 | 3080a73b1 |
13 | 17c318557 |
14 | c673c3d3 |
15 | 7a569071 |
hex | 4e52db75 |
1314052981 has 2 divisors, whose sum is σ = 1314052982. Its totient is φ = 1314052980.
The previous prime is 1314052969. The next prime is 1314053003. The reversal of 1314052981 is 1892504131.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1291252356 + 22800625 = 35934^2 + 4775^2 .
It is a cyclic number.
It is not a de Polignac number, because 1314052981 - 213 = 1314044789 is a prime.
It is a super-2 number, since 2×13140529812 = 3453470473749972722, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1314052921) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657026490 + 657026491.
It is an arithmetic number, because the mean of its divisors is an integer number (657026491).
Almost surely, 21314052981 is an apocalyptic number.
It is an amenable number.
1314052981 is a deficient number, since it is larger than the sum of its proper divisors (1).
1314052981 is an equidigital number, since it uses as much as digits as its factorization.
1314052981 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 8640, while the sum is 34.
The square root of 1314052981 is about 36249.8687032105. The cubic root of 1314052981 is about 1095.3114439742.
The spelling of 1314052981 in words is "one billion, three hundred fourteen million, fifty-two thousand, nine hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •