Base | Representation |
---|---|
bin | 101101101101… |
… | …000010101001 |
3 | 211112200210121 |
4 | 231231002221 |
5 | 11031342334 |
6 | 1104443241 |
7 | 203556640 |
oct | 55550251 |
9 | 24480717 |
10 | 11980969 |
11 | 6843530 |
12 | 4019521 |
13 | 2636440 |
14 | 183c357 |
15 | 10b9db4 |
hex | b6d0a9 |
11980969 has 16 divisors (see below), whose sum is σ = 16087680. Its totient is φ = 8616960.
The previous prime is 11980939. The next prime is 11980981. The reversal of 11980969 is 96908911.
11980969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 11980969 - 27 = 11980841 is a prime.
It is a super-2 number, since 2×119809692 = 287087236357922, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (11980919) 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, 4984 + ... + 6985.
It is an arithmetic number, because the mean of its divisors is an integer number (1005480).
Almost surely, 211980969 is an apocalyptic number.
It is an amenable number.
11980969 is a deficient number, since it is larger than the sum of its proper divisors (4106711).
11980969 is a wasteful number, since it uses less digits than its factorization.
11980969 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12000.
The product of its (nonzero) digits is 34992, while the sum is 43.
The square root of 11980969 is about 3461.3536369461. The cubic root of 11980969 is about 228.8217563810.
The spelling of 11980969 in words is "eleven million, nine hundred eighty thousand, nine hundred sixty-nine".
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