Base | Representation |
---|---|
bin | 111110111010100… |
… | …1101100110010010 |
3 | 12110010102001121011 |
4 | 1331311031212102 |
5 | 13310420220310 |
6 | 545252121134 |
7 | 103213031242 |
oct | 17565154622 |
9 | 5403361534 |
10 | 2111101330 |
11 | 993730748 |
12 | 4ab0061aa |
13 | 2784a6ab0 |
14 | 160539b22 |
15 | c550b78a |
hex | 7dd4d992 |
2111101330 has 16 divisors (see below), whose sum is σ = 4092288984. Its totient is φ = 779483520.
The previous prime is 2111101319. The next prime is 2111101339. The reversal of 2111101330 is 331011112.
It can be written as a sum of positive squares in 4 ways, for example, as 1942958241 + 168143089 = 44079^2 + 12967^2 .
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a self number, because there is not a number n which added to its sum of digits gives 2111101330.
It is not an unprimeable number, because it can be changed into a prime (2111101339) 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, 8119491 + ... + 8119750.
Almost surely, 22111101330 is an apocalyptic number.
2111101330 is a deficient number, since it is larger than the sum of its proper divisors (1981187654).
2111101330 is a wasteful number, since it uses less digits than its factorization.
2111101330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16239261.
The product of its (nonzero) digits is 18, while the sum is 13.
The square root of 2111101330 is about 45946.7227340536. The cubic root of 2111101330 is about 1282.8317292322.
Adding to 2111101330 its reverse (331011112), we get a palindrome (2442112442).
The spelling of 2111101330 in words is "two billion, one hundred eleven million, one hundred one thousand, three hundred thirty".
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