Base | Representation |
---|---|
bin | 1111101001110111… |
… | …0010100011001111 |
3 | 101211212000110200101 |
4 | 3322131302203033 |
5 | 32101220110411 |
6 | 1532545511531 |
7 | 206063241661 |
oct | 37235624317 |
9 | 11755013611 |
10 | 4202113231 |
11 | 1866a8a958 |
12 | 9933425a7 |
13 | 51c768844 |
14 | 2bc126531 |
15 | 198d9a8c1 |
hex | fa7728cf |
4202113231 has 2 divisors, whose sum is σ = 4202113232. Its totient is φ = 4202113230.
The previous prime is 4202113229. The next prime is 4202113313. The reversal of 4202113231 is 1323112024.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 4202113231 - 21 = 4202113229 is a prime.
It is a super-2 number, since 2×42021132312 = 35315511212290518722, which contains 22 as substring.
Together with 4202113229, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 4202113199 and 4202113208.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (4202173231) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2101056615 + 2101056616.
It is an arithmetic number, because the mean of its divisors is an integer number (2101056616).
Almost surely, 24202113231 is an apocalyptic number.
4202113231 is a deficient number, since it is larger than the sum of its proper divisors (1).
4202113231 is an equidigital number, since it uses as much as digits as its factorization.
4202113231 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 4202113231 is about 64823.7088648899. The cubic root of 4202113231 is about 1613.6991996557.
Adding to 4202113231 its reverse (1323112024), we get a palindrome (5525225255).
The spelling of 4202113231 in words is "four billion, two hundred two million, one hundred thirteen thousand, two hundred thirty-one".
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