Base | Representation |
---|---|
bin | 1011101101001010… |
… | …1000000110001101 |
3 | 22002222122102112210 |
4 | 2323102220012031 |
5 | 22413402102341 |
6 | 1235444421033 |
7 | 140603306505 |
oct | 27322500615 |
9 | 8088572483 |
10 | 3142222221 |
11 | 1372780076 |
12 | 7383a7779 |
13 | 3b0cbc1b8 |
14 | 21b468a05 |
15 | 135cd8c16 |
hex | bb4a818d |
3142222221 has 8 divisors (see below), whose sum is σ = 4248638784. Its totient is φ = 2065310240.
The previous prime is 3142222207. The next prime is 3142222249. The reversal of 3142222221 is 1222222413.
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 3142222221 - 26 = 3142222157 is a prime.
It is a super-2 number, since 2×31422222212 = 19747120972292345682, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3142222621) 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, 7375896 + ... + 7376321.
It is an arithmetic number, because the mean of its divisors is an integer number (531079848).
Almost surely, 23142222221 is an apocalyptic number.
It is an amenable number.
3142222221 is a deficient number, since it is larger than the sum of its proper divisors (1106416563).
3142222221 is a wasteful number, since it uses less digits than its factorization.
3142222221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14752291.
The product of its digits is 768, while the sum is 21.
The square root of 3142222221 is about 56055.5280146392. The cubic root of 3142222221 is about 1464.6897145596.
Adding to 3142222221 its reverse (1222222413), we get a palindrome (4364444634).
The spelling of 3142222221 in words is "three billion, one hundred forty-two million, two hundred twenty-two thousand, two hundred twenty-one".
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