Base | Representation |
---|---|
bin | 101101101010… |
… | …000110000101 |
3 | 211112002020122 |
4 | 231222012011 |
5 | 11031001101 |
6 | 1104311325 |
7 | 203506520 |
oct | 55520605 |
9 | 24462218 |
10 | 11968901 |
11 | 683545a |
12 | 4012545 |
13 | 2630ab9 |
14 | 1837bb7 |
15 | 10b651b |
hex | b6a185 |
11968901 has 16 divisors (see below), whose sum is σ = 15116544. Its totient is φ = 9233664.
The previous prime is 11968897. The next prime is 11968903. The reversal of 11968901 is 10986911.
It is a cyclic number.
It is not a de Polignac number, because 11968901 - 22 = 11968897 is a prime.
It is a super-2 number, since 2×119689012 = 286509182295602, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11968903) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 551 + ... + 4923.
It is an arithmetic number, because the mean of its divisors is an integer number (944784).
Almost surely, 211968901 is an apocalyptic number.
It is an amenable number.
11968901 is a deficient number, since it is larger than the sum of its proper divisors (3147643).
11968901 is a wasteful number, since it uses less digits than its factorization.
11968901 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4420.
The product of its (nonzero) digits is 3888, while the sum is 35.
The square root of 11968901 is about 3459.6099491128. The cubic root of 11968901 is about 228.7449025908.
The spelling of 11968901 in words is "eleven million, nine hundred sixty-eight thousand, nine hundred one".
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