Base | Representation |
---|---|
bin | 1000001001101001… |
… | …0010101001110110 |
3 | 12122110222101000222 |
4 | 2002122102221312 |
5 | 13440102231410 |
6 | 1001034534342 |
7 | 105135046223 |
oct | 20232225166 |
9 | 5573871028 |
10 | 2187930230 |
11 | a23036402 |
12 | 5108973b2 |
13 | 28b396995 |
14 | 16a81894a |
15 | cc135955 |
hex | 82692a76 |
2187930230 has 16 divisors (see below), whose sum is σ = 4074077520. Its totient is φ = 844993632.
The previous prime is 2187930211. The next prime is 2187930233. The reversal of 2187930230 is 320397812.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2187930233) 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, 3772004 + ... + 3772583.
It is an arithmetic number, because the mean of its divisors is an integer number (254629845).
Almost surely, 22187930230 is an apocalyptic number.
2187930230 is a deficient number, since it is larger than the sum of its proper divisors (1886147290).
2187930230 is a wasteful number, since it uses less digits than its factorization.
2187930230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7544623.
The product of its (nonzero) digits is 18144, while the sum is 35.
The square root of 2187930230 is about 46775.3164607146. The cubic root of 2187930230 is about 1298.2086233789.
The spelling of 2187930230 in words is "two billion, one hundred eighty-seven million, nine hundred thirty thousand, two hundred thirty".
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