Base | Representation |
---|---|
bin | 10100111101001000… |
… | …10001011101001101 |
3 | 1002001001022120122200 |
4 | 22132210101131031 |
5 | 141020030242110 |
6 | 5100203432113 |
7 | 545535330312 |
oct | 123644213515 |
9 | 32031276580 |
10 | 11250243405 |
11 | 4853518425 |
12 | 221b825639 |
13 | 10a3a23a7b |
14 | 78a210d09 |
15 | 45ca206c0 |
hex | 29e91174d |
11250243405 has 24 divisors (see below), whose sum is σ = 19642771512. Its totient is φ = 5956329984.
The previous prime is 11250243401. The next prime is 11250243461. The reversal of 11250243405 is 50434205211.
11250243405 is a `hidden beast` number, since 1 + 1 + 250 + 2 + 4 + 3 + 405 = 666.
11250243405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 387184329 + 10863059076 = 19677^2 + 104226^2 .
It is not a de Polignac number, because 11250243405 - 22 = 11250243401 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11250243401) 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 in 23 ways as a sum of consecutive naturals, for example, 906264 + ... + 918593.
It is an arithmetic number, because the mean of its divisors is an integer number (818448813).
Almost surely, 211250243405 is an apocalyptic number.
11250243405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
11250243405 is a deficient number, since it is larger than the sum of its proper divisors (8392528107).
11250243405 is a wasteful number, since it uses less digits than its factorization.
11250243405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1825005 (or 1825002 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 27.
Adding to 11250243405 its reverse (50434205211), we get a palindrome (61684448616).
The spelling of 11250243405 in words is "eleven billion, two hundred fifty million, two hundred forty-three thousand, four hundred five".
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