Base | Representation |
---|---|
bin | 11001101001001… |
… | …10110100111111 |
3 | 112222210002012201 |
4 | 30310212310333 |
5 | 420032221434 |
6 | 33202412331 |
7 | 5221315420 |
oct | 1464466477 |
9 | 488702181 |
10 | 215117119 |
11 | 100478748 |
12 | 600610a7 |
13 | 3574b049 |
14 | 207d9647 |
15 | 13d43614 |
hex | cd26d3f |
215117119 has 16 divisors (see below), whose sum is σ = 252435456. Its totient is φ = 179467200.
The previous prime is 215117117. The next prime is 215117129. The reversal of 215117119 is 911711512.
It is a cyclic number.
It is not a de Polignac number, because 215117119 - 21 = 215117117 is a prime.
It is a super-2 number, since 2×2151171192 = 92550749773720322, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (215117113) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208134 + ... + 209164.
It is an arithmetic number, because the mean of its divisors is an integer number (15777216).
Almost surely, 2215117119 is an apocalyptic number.
215117119 is a deficient number, since it is larger than the sum of its proper divisors (37318337).
215117119 is a wasteful number, since it uses less digits than its factorization.
215117119 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1806.
The product of its digits is 630, while the sum is 28.
The square root of 215117119 is about 14666.8714796305. The cubic root of 215117119 is about 599.1814012607.
The spelling of 215117119 in words is "two hundred fifteen million, one hundred seventeen thousand, one hundred nineteen".
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