Base | Representation |
---|---|
bin | 100001001111001… |
… | …0101100010100001 |
3 | 2212201112111202011 |
4 | 1002132111202201 |
5 | 4241000430201 |
6 | 302355352521 |
7 | 36431313142 |
oct | 10236254241 |
9 | 2781474664 |
10 | 1115248801 |
11 | 52258aa27 |
12 | 2715b2741 |
13 | 14a08c644 |
14 | a818bac9 |
15 | 67d99151 |
hex | 427958a1 |
1115248801 has 2 divisors, whose sum is σ = 1115248802. Its totient is φ = 1115248800.
The previous prime is 1115248753. The next prime is 1115248819. The reversal of 1115248801 is 1088425111.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 595408801 + 519840000 = 24401^2 + 22800^2 .
It is an emirp because it is prime and its reverse (1088425111) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1115248801 - 215 = 1115216033 is a prime.
It is not a weakly prime, because it can be changed into another prime (1115248601) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557624400 + 557624401.
It is an arithmetic number, because the mean of its divisors is an integer number (557624401).
Almost surely, 21115248801 is an apocalyptic number.
It is an amenable number.
1115248801 is a deficient number, since it is larger than the sum of its proper divisors (1).
1115248801 is an equidigital number, since it uses as much as digits as its factorization.
1115248801 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2560, while the sum is 31.
The square root of 1115248801 is about 33395.3410073920. The cubic root of 1115248801 is about 1037.0282524779.
The spelling of 1115248801 in words is "one billion, one hundred fifteen million, two hundred forty-eight thousand, eight hundred one".
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