Base | Representation |
---|---|
bin | 10001011111100100000… |
… | …011100000111011111101 |
3 | 11020220212221121222201112 |
4 | 101133210003200323331 |
5 | 124143421213032143 |
6 | 2320125222251405 |
7 | 152564463265211 |
oct | 21374403407375 |
9 | 4226787558645 |
10 | 1202122002173 |
11 | 4238a95927a4 |
12 | 174b90286b65 |
13 | 8948a10a3b1 |
14 | 4227c2a0941 |
15 | 2140b14be18 |
hex | 117e40e0efd |
1202122002173 has 2 divisors, whose sum is σ = 1202122002174. Its totient is φ = 1202122002172.
The previous prime is 1202122002139. The next prime is 1202122002203. The reversal of 1202122002173 is 3712002212021.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 610856354329 + 591265647844 = 781573^2 + 768938^2 .
It is a cyclic number.
It is not a de Polignac number, because 1202122002173 - 28 = 1202122001917 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1202122002073) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601061001086 + 601061001087.
It is an arithmetic number, because the mean of its divisors is an integer number (601061001087).
Almost surely, 21202122002173 is an apocalyptic number.
It is an amenable number.
1202122002173 is a deficient number, since it is larger than the sum of its proper divisors (1).
1202122002173 is an equidigital number, since it uses as much as digits as its factorization.
1202122002173 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 672, while the sum is 23.
Adding to 1202122002173 its reverse (3712002212021), we get a palindrome (4914124214194).
The spelling of 1202122002173 in words is "one trillion, two hundred two billion, one hundred twenty-two million, two thousand, one hundred seventy-three".
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