Base | Representation |
---|---|
bin | 11001101000101… |
… | …10101101101100 |
3 | 112222122201200011 |
4 | 30310112231230 |
5 | 420023113431 |
6 | 33201143004 |
7 | 5220622120 |
oct | 1464265554 |
9 | 488581604 |
10 | 215051116 |
11 | 1004330a5 |
12 | 6002aa64 |
13 | 35726ca7 |
14 | 207bd580 |
15 | 13d2dcb1 |
hex | cd16b6c |
215051116 has 24 divisors (see below), whose sum is σ = 432750080. Its totient is φ = 91597392.
The previous prime is 215051113. The next prime is 215051117. The reversal of 215051116 is 611150512.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (215051113) 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, 18996 + ... + 28123.
Almost surely, 2215051116 is an apocalyptic number.
It is an amenable number.
215051116 is an abundant number, since it is smaller than the sum of its proper divisors (217698964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
215051116 is a wasteful number, since it uses less digits than its factorization.
215051116 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47293 (or 47291 counting only the distinct ones).
The product of its (nonzero) digits is 300, while the sum is 22.
The square root of 215051116 is about 14664.6212361588. The cubic root of 215051116 is about 599.1201140022.
The spelling of 215051116 in words is "two hundred fifteen million, fifty-one thousand, one hundred sixteen".
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