Base | Representation |
---|---|
bin | 10101101011111100… |
… | …10001110011111000 |
3 | 1010001102020110101220 |
4 | 22311332101303320 |
5 | 142321042432233 |
6 | 5203152312040 |
7 | 561344220324 |
oct | 126576216370 |
9 | 33042213356 |
10 | 11642936568 |
11 | 4a3515262a |
12 | 230b242620 |
13 | 11371a75a3 |
14 | 7c6432984 |
15 | 48223deb3 |
hex | 2b5f91cf8 |
11642936568 has 32 divisors (see below), whose sum is σ = 29434395600. Its totient is φ = 3837371648.
The previous prime is 11642936563. The next prime is 11642936587. The reversal of 11642936568 is 86563924611.
It is a self number, because there is not a number n which added to its sum of digits gives 11642936568.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11642936563) 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, 2723271 + ... + 2727542.
Almost surely, 211642936568 is an apocalyptic number.
It is an amenable number.
11642936568 is an abundant number, since it is smaller than the sum of its proper divisors (17791459032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11642936568 is a wasteful number, since it uses less digits than its factorization.
11642936568 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5450911 (or 5450907 counting only the distinct ones).
The product of its digits is 1866240, while the sum is 51.
The spelling of 11642936568 in words is "eleven billion, six hundred forty-two million, nine hundred thirty-six thousand, five hundred sixty-eight".
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