Base | Representation |
---|---|
bin | 11001101001001… |
… | …01000111110010 |
3 | 112222202201121212 |
4 | 30310211013302 |
5 | 420032011010 |
6 | 33202320122 |
7 | 5221256144 |
oct | 1464450762 |
9 | 488681555 |
10 | 215110130 |
11 | 100473474 |
12 | 60059042 |
13 | 35747b01 |
14 | 207d6c94 |
15 | 13d41505 |
hex | cd251f2 |
215110130 has 8 divisors (see below), whose sum is σ = 387198252. Its totient is φ = 86044048.
The previous prime is 215110109. The next prime is 215110141. The reversal of 215110130 is 31011512.
215110130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 214651801 + 458329 = 14651^2 + 677^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10755497 + ... + 10755516.
Almost surely, 2215110130 is an apocalyptic number.
215110130 is a deficient number, since it is larger than the sum of its proper divisors (172088122).
215110130 is a wasteful number, since it uses less digits than its factorization.
215110130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21511020.
The product of its (nonzero) digits is 30, while the sum is 14.
The square root of 215110130 is about 14666.6332196588. The cubic root of 215110130 is about 599.1749121999.
Adding to 215110130 its reverse (31011512), we get a palindrome (246121642).
The spelling of 215110130 in words is "two hundred fifteen million, one hundred ten thousand, one hundred thirty".
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