Base | Representation |
---|---|
bin | 10100111101100110… |
… | …00100001100001111 |
3 | 1002001022121121000212 |
4 | 22132303010030033 |
5 | 141022023334411 |
6 | 5100422513035 |
7 | 545613311033 |
oct | 123663041417 |
9 | 32038547025 |
10 | 11254121231 |
11 | 4855726941 |
12 | 2220b9577b |
13 | 10a4780b42 |
14 | 78a9401c3 |
15 | 45d03968b |
hex | 29ecc430f |
11254121231 has 2 divisors, whose sum is σ = 11254121232. Its totient is φ = 11254121230.
The previous prime is 11254121213. The next prime is 11254121269. The reversal of 11254121231 is 13212145211.
11254121231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
Together with previous prime (11254121213) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 11254121231 - 26 = 11254121167 is a prime.
It is a super-2 number, since 2×112541212312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 11254121197 and 11254121206.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (11254129231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5627060615 + 5627060616.
It is an arithmetic number, because the mean of its divisors is an integer number (5627060616).
Almost surely, 211254121231 is an apocalyptic number.
11254121231 is a deficient number, since it is larger than the sum of its proper divisors (1).
11254121231 is an equidigital number, since it uses as much as digits as its factorization.
11254121231 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 480, while the sum is 23.
Adding to 11254121231 its reverse (13212145211), we get a palindrome (24466266442).
The spelling of 11254121231 in words is "eleven billion, two hundred fifty-four million, one hundred twenty-one thousand, two hundred thirty-one".
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