Base | Representation |
---|---|
bin | 1011110000111011100… |
… | …1001010101111010011 |
3 | 201022200121212222102202 |
4 | 2330032321022233103 |
5 | 11302412003031011 |
6 | 232503302033415 |
7 | 20413361650226 |
oct | 2741671125723 |
9 | 638617788382 |
10 | 202113330131 |
11 | 78796784429 |
12 | 3320741886b |
13 | 160a00c658b |
14 | 9ad4a3b5bd |
15 | 53cdc7123b |
hex | 2f0ee4abd3 |
202113330131 has 4 divisors (see below), whose sum is σ = 202121167752. Its totient is φ = 202105492512.
The previous prime is 202113330121. The next prime is 202113330137. The reversal of 202113330131 is 131033311202.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 202113330131 - 214 = 202113313747 is a prime.
It is a super-2 number, since 2×2021133301312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (202113330137) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3880001 + ... + 3931746.
It is an arithmetic number, because the mean of its divisors is an integer number (50530291938).
Almost surely, 2202113330131 is an apocalyptic number.
202113330131 is a deficient number, since it is larger than the sum of its proper divisors (7837621).
202113330131 is an equidigital number, since it uses as much as digits as its factorization.
202113330131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7837620.
The product of its (nonzero) digits is 324, while the sum is 20.
Adding to 202113330131 its reverse (131033311202), we get a palindrome (333146641333).
The spelling of 202113330131 in words is "two hundred two billion, one hundred thirteen million, three hundred thirty thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.085 sec. • engine limits •