Base | Representation |
---|---|
bin | 111110111010100… |
… | …1111101111110011 |
3 | 12110010102111200010 |
4 | 1331311033233303 |
5 | 13310421011011 |
6 | 545252230003 |
7 | 103213066014 |
oct | 17565175763 |
9 | 5403374603 |
10 | 2111110131 |
11 | 993737319 |
12 | 4ab00b303 |
13 | 2784aaac0 |
14 | 16053d00b |
15 | c550e1a6 |
hex | 7dd4fbf3 |
2111110131 has 64 divisors (see below), whose sum is σ = 3271726080. Its totient is φ = 1200629760.
The previous prime is 2111110109. The next prime is 2111110189. The reversal of 2111110131 is 1310111112.
It is not a de Polignac number, because 2111110131 - 218 = 2110847987 is a prime.
It is a super-2 number, since 2×21111101312 = 8913571970421674322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2111110831) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5038240 + ... + 5038658.
It is an arithmetic number, because the mean of its divisors is an integer number (51120720).
Almost surely, 22111110131 is an apocalyptic number.
2111110131 is a deficient number, since it is larger than the sum of its proper divisors (1160615949).
2111110131 is a wasteful number, since it uses less digits than its factorization.
2111110131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 636.
The product of its (nonzero) digits is 6, while the sum is 12.
The square root of 2111110131 is about 45946.8185079228. The cubic root of 2111110131 is about 1282.8335119014.
Adding to 2111110131 its reverse (1310111112), we get a palindrome (3421221243).
The spelling of 2111110131 in words is "two billion, one hundred eleven million, one hundred ten thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •