Base | Representation |
---|---|
bin | 111111110101110… |
… | …0010100101110110 |
3 | 12112021202222122021 |
4 | 1333223202211312 |
5 | 13341340322220 |
6 | 552321023354 |
7 | 104040502501 |
oct | 17753424566 |
9 | 5467688567 |
10 | 2142120310 |
11 | 9aa197770 |
12 | 4b9484b5a |
13 | 281a47815 |
14 | 1646d2138 |
15 | c80d74aa |
hex | 7fae2976 |
2142120310 has 16 divisors (see below), whose sum is σ = 4206345552. Its totient is φ = 778952800.
The previous prime is 2142120301. The next prime is 2142120311. The reversal of 2142120310 is 130212412.
It is a super-2 number, since 2×21421203102 = 9177358845028992200, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2142120311) 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, 9736801 + ... + 9737020.
It is an arithmetic number, because the mean of its divisors is an integer number (262896597).
Almost surely, 22142120310 is an apocalyptic number.
2142120310 is a deficient number, since it is larger than the sum of its proper divisors (2064225242).
2142120310 is a wasteful number, since it uses less digits than its factorization.
2142120310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19473839.
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 2142120310 is about 46283.0455998738. The cubic root of 2142120310 is about 1289.0842026838.
Adding to 2142120310 its reverse (130212412), we get a palindrome (2272332722).
The spelling of 2142120310 in words is "two billion, one hundred forty-two million, one hundred twenty thousand, three hundred ten".
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