Base | Representation |
---|---|
bin | 1000000000111011… |
… | …0111010001100011 |
3 | 12112221012102122020 |
4 | 2000032313101203 |
5 | 13401223130232 |
6 | 553251312523 |
7 | 104212300044 |
oct | 20016672143 |
9 | 5487172566 |
10 | 2151380067 |
11 | a04441761 |
12 | 5005ab743 |
13 | 28393a475 |
14 | 165a228cb |
15 | c8d15e2c |
hex | 803b7463 |
2151380067 has 16 divisors (see below), whose sum is σ = 2976095232. Its totient is φ = 1380929760.
The previous prime is 2151380053. The next prime is 2151380087. The reversal of 2151380067 is 7600831512.
It is not a de Polignac number, because 2151380067 - 215 = 2151347299 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2151380027) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40393 + ... + 77034.
It is an arithmetic number, because the mean of its divisors is an integer number (186005952).
Almost surely, 22151380067 is an apocalyptic number.
2151380067 is a deficient number, since it is larger than the sum of its proper divisors (824715165).
2151380067 is a wasteful number, since it uses less digits than its factorization.
2151380067 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 117658.
The product of its (nonzero) digits is 10080, while the sum is 33.
The square root of 2151380067 is about 46382.9717353255. The cubic root of 2151380067 is about 1290.9389768404.
The spelling of 2151380067 in words is "two billion, one hundred fifty-one million, three hundred eighty thousand, sixty-seven".
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