Base | Representation |
---|---|
bin | 10110001011010010… |
… | …00000000001111000 |
3 | 1010201201212000020120 |
4 | 23011221000001320 |
5 | 143340340403133 |
6 | 5245222253240 |
7 | 601015403112 |
oct | 130551000170 |
9 | 33651760216 |
10 | 11905794168 |
11 | 505a568414 |
12 | 2383287220 |
13 | 117979c428 |
14 | 80d2d83b2 |
15 | 49a362ab3 |
hex | 2c5a40078 |
11905794168 has 32 divisors (see below), whose sum is σ = 29789015760. Its totient is φ = 3965327360.
The previous prime is 11905794167. The next prime is 11905794181. The reversal of 11905794168 is 86149750911.
It is a self number, because there is not a number n which added to its sum of digits gives 11905794168.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11905794163) 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, 174603 + ... + 233018.
Almost surely, 211905794168 is an apocalyptic number.
It is an amenable number.
11905794168 is an abundant number, since it is smaller than the sum of its proper divisors (17883221592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11905794168 is a wasteful number, since it uses less digits than its factorization.
11905794168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 408847 (or 408843 counting only the distinct ones).
The product of its (nonzero) digits is 544320, while the sum is 51.
The spelling of 11905794168 in words is "eleven billion, nine hundred five million, seven hundred ninety-four thousand, one hundred sixty-eight".
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