Base | Representation |
---|---|
bin | 1111000001001000… |
… | …1111000101010101 |
3 | 101101221121212201202 |
4 | 3300102033011111 |
5 | 31224003442323 |
6 | 1504005002245 |
7 | 201620405555 |
oct | 36022170525 |
9 | 11357555652 |
10 | 4031312213 |
11 | 1789630595 |
12 | 9460b3385 |
13 | 4c3265a56 |
14 | 2a3585165 |
15 | 188dacd28 |
hex | f048f155 |
4031312213 has 8 divisors (see below), whose sum is σ = 4306823520. Its totient is φ = 3762134640.
The previous prime is 4031312203. The next prime is 4031312231. The reversal of 4031312213 is 3122131304.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 4031312213 - 28 = 4031311957 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4031312203) 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, 1582118 + ... + 1584663.
It is an arithmetic number, because the mean of its divisors is an integer number (538352940).
Almost surely, 24031312213 is an apocalyptic number.
It is an amenable number.
4031312213 is a deficient number, since it is larger than the sum of its proper divisors (275511307).
4031312213 is a wasteful number, since it uses less digits than its factorization.
4031312213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3166867.
The product of its (nonzero) digits is 432, while the sum is 20.
The square root of 4031312213 is about 63492.6154210078. The cubic root of 4031312213 is about 1591.5323772244.
Adding to 4031312213 its reverse (3122131304), we get a palindrome (7153443517).
The spelling of 4031312213 in words is "four billion, thirty-one million, three hundred twelve thousand, two hundred thirteen".
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