Base | Representation |
---|---|
bin | 101101101101… |
… | …000011111101 |
3 | 211112200220201 |
4 | 231231003331 |
5 | 11031343203 |
6 | 1104443501 |
7 | 203560120 |
oct | 55550375 |
9 | 24480821 |
10 | 11981053 |
11 | 68435a7 |
12 | 4019591 |
13 | 26364a6 |
14 | 183c3b7 |
15 | 10b9e1d |
hex | b6d0fd |
11981053 has 8 divisors (see below), whose sum is σ = 13801472. Its totient is φ = 10187856.
The previous prime is 11981041. The next prime is 11981059. The reversal of 11981053 is 35018911.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 11981053 - 221 = 9883901 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11981059) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5850 + ... + 7627.
It is an arithmetic number, because the mean of its divisors is an integer number (1725184).
Almost surely, 211981053 is an apocalyptic number.
It is an amenable number.
11981053 is a deficient number, since it is larger than the sum of its proper divisors (1820419).
11981053 is a wasteful number, since it uses less digits than its factorization.
11981053 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13611.
The product of its (nonzero) digits is 1080, while the sum is 28.
The square root of 11981053 is about 3461.3657709060. The cubic root of 11981053 is about 228.8222911453.
Adding to 11981053 its reverse (35018911), we get a palindrome (46999964).
The spelling of 11981053 in words is "eleven million, nine hundred eighty-one thousand, fifty-three".
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