Base | Representation |
---|---|
bin | 101010101001110… |
… | …1011010001011101 |
3 | 10200202002120120211 |
4 | 1111103223101131 |
5 | 10412343040331 |
6 | 354004012421 |
7 | 50316115654 |
oct | 12523532135 |
9 | 3622076524 |
10 | 1431221341 |
11 | 674983860 |
12 | 33b391111 |
13 | 19a690644 |
14 | d811c19b |
15 | 859b08b1 |
hex | 554eb45d |
1431221341 has 8 divisors (see below), whose sum is σ = 1643508000. Its totient is φ = 1232630640.
The previous prime is 1431221287. The next prime is 1431221353.
1431221341 is nontrivially palindromic in base 10.
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 1431221341 - 27 = 1431221213 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 (1431221741) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3423766 + ... + 3424183.
It is an arithmetic number, because the mean of its divisors is an integer number (205438500).
Almost surely, 21431221341 is an apocalyptic number.
1431221341 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1431221341 is a deficient number, since it is larger than the sum of its proper divisors (212286659).
1431221341 is a wasteful number, since it uses less digits than its factorization.
1431221341 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6847979.
The product of its digits is 576, while the sum is 22.
The square root of 1431221341 is about 37831.4861061524. The cubic root of 1431221341 is about 1126.9438239031.
It can be divided in two parts, 14312 and 21341, that added together give a palindrome (35653).
The spelling of 1431221341 in words is "one billion, four hundred thirty-one million, two hundred twenty-one thousand, three hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •