Base | Representation |
---|---|
bin | 111111110101100… |
… | …1100111000110010 |
3 | 12112021121110200200 |
4 | 1333223030320302 |
5 | 13341330001120 |
6 | 552315100030 |
7 | 104036652351 |
oct | 17753147062 |
9 | 5467543620 |
10 | 2142031410 |
11 | 9aa1369a2 |
12 | 4b9441616 |
13 | 281a1620c |
14 | 1646ab998 |
15 | c80bae90 |
hex | 7facce32 |
2142031410 has 24 divisors (see below), whose sum is σ = 5569281900. Its totient is φ = 571208352.
The previous prime is 2142031361. The next prime is 2142031427. The reversal of 2142031410 is 141302412.
It can be written as a sum of positive squares in 2 ways, for example, as 2140265169 + 1766241 = 46263^2 + 1329^2 .
It is a super-2 number, since 2×21420314102 = 9176597122853176200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11900085 + ... + 11900264.
Almost surely, 22142031410 is an apocalyptic number.
2142031410 is an abundant number, since it is smaller than the sum of its proper divisors (3427250490).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2142031410 is a wasteful number, since it uses less digits than its factorization.
2142031410 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23800362 (or 23800359 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 2142031410 is about 46282.0851950298. The cubic root of 2142031410 is about 1289.0663697030.
Adding to 2142031410 its reverse (141302412), we get a palindrome (2283333822).
The spelling of 2142031410 in words is "two billion, one hundred forty-two million, thirty-one thousand, four hundred ten".
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