Base | Representation |
---|---|
bin | 111110101001011… |
… | …1111100101010110 |
3 | 12102111112022122211 |
4 | 1331102333211112 |
5 | 13301121143110 |
6 | 544331544034 |
7 | 103043550616 |
oct | 17522774526 |
9 | 5374468584 |
10 | 2102131030 |
11 | 98966417a |
12 | 4a7bbb01a |
13 | 276685b1c |
14 | 15d282a46 |
15 | c483898a |
hex | 7d4bf956 |
2102131030 has 16 divisors (see below), whose sum is σ = 3840312240. Its totient is φ = 828302112.
The previous prime is 2102131007. The next prime is 2102131043. The reversal of 2102131030 is 301312012.
It is a self number, because there is not a number n which added to its sum of digits gives 2102131030.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1568085 + ... + 1569424.
It is an arithmetic number, because the mean of its divisors is an integer number (240019515).
Almost surely, 22102131030 is an apocalyptic number.
2102131030 is a deficient number, since it is larger than the sum of its proper divisors (1738181210).
2102131030 is a wasteful number, since it uses less digits than its factorization.
2102131030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3137583.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 2102131030 is about 45849.0024973281. The cubic root of 2102131030 is about 1281.0121856297.
Adding to 2102131030 its reverse (301312012), we get a palindrome (2403443042).
The spelling of 2102131030 in words is "two billion, one hundred two million, one hundred thirty-one thousand, thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •