Base | Representation |
---|---|
bin | 100010001000011… |
… | …1110000010110001 |
3 | 2221211002020000222 |
4 | 1010100332002301 |
5 | 4321144032441 |
6 | 305351422425 |
7 | 40244611331 |
oct | 10420760261 |
9 | 2854066028 |
10 | 1145299121 |
11 | 5385451aa |
12 | 27b684a15 |
13 | 1533814b5 |
14 | ac1710c1 |
15 | 6a832d4b |
hex | 4443e0b1 |
1145299121 has 2 divisors, whose sum is σ = 1145299122. Its totient is φ = 1145299120.
The previous prime is 1145299093. The next prime is 1145299153. The reversal of 1145299121 is 1219925411.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1138725025 + 6574096 = 33745^2 + 2564^2 .
It is a cyclic number.
It is not a de Polignac number, because 1145299121 - 226 = 1078190257 is a prime.
It is not a weakly prime, because it can be changed into another prime (1145299021) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572649560 + 572649561.
It is an arithmetic number, because the mean of its divisors is an integer number (572649561).
Almost surely, 21145299121 is an apocalyptic number.
It is an amenable number.
1145299121 is a deficient number, since it is larger than the sum of its proper divisors (1).
1145299121 is an equidigital number, since it uses as much as digits as its factorization.
1145299121 is an evil number, because the sum of its binary digits is even.
The product of its digits is 6480, while the sum is 35.
The square root of 1145299121 is about 33842.2682602688. The cubic root of 1145299121 is about 1046.2600494442.
The spelling of 1145299121 in words is "one billion, one hundred forty-five million, two hundred ninety-nine thousand, one hundred twenty-one".
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