Base | Representation |
---|---|
bin | 10100111000110100… |
… | …01101000000000001 |
3 | 1001221112012201122120 |
4 | 22130122031000001 |
5 | 140431244034111 |
6 | 5052431554453 |
7 | 544615563141 |
oct | 123432150001 |
9 | 31845181576 |
10 | 11214049281 |
11 | 4835047226 |
12 | 220b68ba29 |
13 | 1099390626 |
14 | 7854ac921 |
15 | 459771406 |
hex | 29c68d001 |
11214049281 has 16 divisors (see below), whose sum is σ = 15415966464. Its totient is φ = 7245656064.
The previous prime is 11214049267. The next prime is 11214049309. The reversal of 11214049281 is 18294041211.
It is not a de Polignac number, because 11214049281 - 27 = 11214049153 is a prime.
It is a super-2 number, since 2×112140492812 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (11214049081) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168025 + ... + 225078.
It is an arithmetic number, because the mean of its divisors is an integer number (963497904).
Almost surely, 211214049281 is an apocalyptic number.
It is an amenable number.
11214049281 is a deficient number, since it is larger than the sum of its proper divisors (4201917183).
11214049281 is a wasteful number, since it uses less digits than its factorization.
11214049281 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 393400.
The product of its (nonzero) digits is 4608, while the sum is 33.
The spelling of 11214049281 in words is "eleven billion, two hundred fourteen million, forty-nine thousand, two hundred eighty-one".
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