Base | Representation |
---|---|
bin | 11101111110101111111… |
… | …00010111111111101111 |
3 | 10122110220211201122200212 |
4 | 32333113330113333233 |
5 | 113334141222041421 |
6 | 2105121453013035 |
7 | 134265223323656 |
oct | 16772774277757 |
9 | 3573824648625 |
10 | 1030120112111 |
11 | 367964a47a32 |
12 | 14778918417b |
13 | 761a84c689c |
14 | 37c027da19d |
15 | 1bbe0bb8e5b |
hex | efd7f17fef |
1030120112111 has 16 divisors (see below), whose sum is σ = 1064888757504. Its totient is φ = 995853567744.
The previous prime is 1030120112089. The next prime is 1030120112117. The reversal of 1030120112111 is 1112110210301.
It is a cyclic number.
It is not a de Polignac number, because 1030120112111 - 210 = 1030120111087 is a prime.
It is a super-2 number, since 2×10301201121112 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1030120112117) 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, 8206655 + ... + 8331231.
It is an arithmetic number, because the mean of its divisors is an integer number (66555547344).
Almost surely, 21030120112111 is an apocalyptic number.
1030120112111 is a deficient number, since it is larger than the sum of its proper divisors (34768645393).
1030120112111 is a wasteful number, since it uses less digits than its factorization.
1030120112111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 126590.
The product of its (nonzero) digits is 12, while the sum is 14.
Adding to 1030120112111 its reverse (1112110210301), we get a palindrome (2142230322412).
The spelling of 1030120112111 in words is "one trillion, thirty billion, one hundred twenty million, one hundred twelve thousand, one hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •