Base | Representation |
---|---|
bin | 111111110000001… |
… | …1100110110010010 |
3 | 12112002022021211121 |
4 | 1333200130312102 |
5 | 13340114310302 |
6 | 552134432454 |
7 | 104004004120 |
oct | 17740346622 |
9 | 5462267747 |
10 | 2139213202 |
11 | 9a85915a5 |
12 | 4b850272a |
13 | 28126a539 |
14 | 164176910 |
15 | c7c10e37 |
hex | 7f81cd92 |
2139213202 has 16 divisors (see below), whose sum is σ = 3668604480. Its totient is φ = 916460208.
The previous prime is 2139213163. The next prime is 2139213203. The reversal of 2139213202 is 2023129312.
It is a super-2 number, since 2×21392132022 = 9152466247222185608, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2139213203) 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, 11653 + ... + 66439.
It is an arithmetic number, because the mean of its divisors is an integer number (229287780).
Almost surely, 22139213202 is an apocalyptic number.
2139213202 is a deficient number, since it is larger than the sum of its proper divisors (1529391278).
2139213202 is a wasteful number, since it uses less digits than its factorization.
2139213202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57585.
The product of its (nonzero) digits is 1296, while the sum is 25.
The square root of 2139213202 is about 46251.6291821164. The cubic root of 2139213202 is about 1288.5007926346.
The spelling of 2139213202 in words is "two billion, one hundred thirty-nine million, two hundred thirteen thousand, two hundred two".
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