Base | Representation |
---|---|
bin | 1111101001111000… |
… | …1100111101110111 |
3 | 101211212012222002210 |
4 | 3322132030331313 |
5 | 32101232041211 |
6 | 1532552104503 |
7 | 206064202302 |
oct | 37236147567 |
9 | 11755188083 |
10 | 4202221431 |
11 | 1867054181 |
12 | 993395133 |
13 | 51c7a5b75 |
14 | 2bc153b39 |
15 | 198dbc9a6 |
hex | fa78cf77 |
4202221431 has 16 divisors (see below), whose sum is σ = 5936925440. Its totient is φ = 2636452800.
The previous prime is 4202221411. The next prime is 4202221459. The reversal of 4202221431 is 1341222024.
It is not a de Polignac number, because 4202221431 - 26 = 4202221367 is a prime.
It is a super-2 number, since 2×42022214312 = 35317329910311375522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 4202221398 and 4202221407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4202221411) 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, 235510 + ... + 252723.
It is an arithmetic number, because the mean of its divisors is an integer number (371057840).
Almost surely, 24202221431 is an apocalyptic number.
4202221431 is a deficient number, since it is larger than the sum of its proper divisors (1734704009).
4202221431 is a wasteful number, since it uses less digits than its factorization.
4202221431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 488406.
The product of its (nonzero) digits is 768, while the sum is 21.
The square root of 4202221431 is about 64824.5434307099. The cubic root of 4202221431 is about 1613.7130498897.
Adding to 4202221431 its reverse (1341222024), we get a palindrome (5543443455).
The spelling of 4202221431 in words is "four billion, two hundred two million, two hundred twenty-one thousand, four hundred thirty-one".
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