Base | Representation |
---|---|
bin | 1011101101001010… |
… | …1101011101111101 |
3 | 22002222200112201121 |
4 | 2323102231131331 |
5 | 22413403303341 |
6 | 1235445110541 |
7 | 140603430604 |
oct | 27322553575 |
9 | 8088615647 |
10 | 3142244221 |
11 | 1372795656 |
12 | 7383b8451 |
13 | 3b0cc920c |
14 | 21b472a3b |
15 | 135ce04d1 |
hex | bb4ad77d |
3142244221 has 12 divisors (see below), whose sum is σ = 3328007580. Its totient is φ = 2963284800.
The previous prime is 3142244137. The next prime is 3142244251. The reversal of 3142244221 is 1224422413.
It can be written as a sum of positive squares in 2 ways, for example, as 1491040996 + 1651203225 = 38614^2 + 40635^2 .
It is not a de Polignac number, because 3142244221 - 213 = 3142236029 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 (3142244251) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24321 + ... + 82921.
It is an arithmetic number, because the mean of its divisors is an integer number (277333965).
Almost surely, 23142244221 is an apocalyptic number.
It is an amenable number.
3142244221 is a deficient number, since it is larger than the sum of its proper divisors (185763359).
3142244221 is an equidigital number, since it uses as much as digits as its factorization.
3142244221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58716 (or 58673 counting only the distinct ones).
The product of its digits is 3072, while the sum is 25.
The square root of 3142244221 is about 56055.7242482871. The cubic root of 3142244221 is about 1464.6931328516.
Adding to 3142244221 its reverse (1224422413), we get a palindrome (4366666634).
The spelling of 3142244221 in words is "three billion, one hundred forty-two million, two hundred forty-four thousand, two hundred twenty-one".
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