Base | Representation |
---|---|
bin | 101101101111… |
… | …011110111000 |
3 | 211120012111221 |
4 | 231233132320 |
5 | 11032202333 |
6 | 1105001424 |
7 | 203631043 |
oct | 55573670 |
9 | 24505457 |
10 | 11990968 |
11 | 684aaa0 |
12 | 4023274 |
13 | 263ab62 |
14 | 1841c5a |
15 | 10bcd2d |
hex | b6f7b8 |
11990968 has 16 divisors (see below), whose sum is σ = 24527160. Its totient is φ = 5450400.
The previous prime is 11990963. The next prime is 11990971. The reversal of 11990968 is 86909911.
It is a super-3 number, since 3×119909683 (a number of 22 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11990963) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68043 + ... + 68218.
Almost surely, 211990968 is an apocalyptic number.
It is an amenable number.
11990968 is an abundant number, since it is smaller than the sum of its proper divisors (12536192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11990968 is a wasteful number, since it uses less digits than its factorization.
11990968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 136278 (or 136274 counting only the distinct ones).
The product of its (nonzero) digits is 34992, while the sum is 43.
The square root of 11990968 is about 3462.7977128328. The cubic root of 11990968 is about 228.8853948769.
The spelling of 11990968 in words is "eleven million, nine hundred ninety thousand, nine hundred sixty-eight".
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