Base | Representation |
---|---|
bin | 10010101011110100… |
… | …00001111011010101 |
3 | 221220002111021110121 |
4 | 21111322001323111 |
5 | 131020442211242 |
6 | 4335215351541 |
7 | 503403610531 |
oct | 112572017325 |
9 | 27802437417 |
10 | 10031210197 |
11 | 42883a1768 |
12 | 1b3b5225b1 |
13 | c3b2c7248 |
14 | 6b2368bc1 |
15 | 3da9c5667 |
hex | 255e81ed5 |
10031210197 has 2 divisors, whose sum is σ = 10031210198. Its totient is φ = 10031210196.
The previous prime is 10031210153. The next prime is 10031210207. The reversal of 10031210197 is 79101213001.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 5098816836 + 4932393361 = 71406^2 + 70231^2 .
It is a cyclic number.
It is not a de Polignac number, because 10031210197 - 27 = 10031210069 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10031210897) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5015605098 + 5015605099.
It is an arithmetic number, because the mean of its divisors is an integer number (5015605099).
Almost surely, 210031210197 is an apocalyptic number.
It is an amenable number.
10031210197 is a deficient number, since it is larger than the sum of its proper divisors (1).
10031210197 is an equidigital number, since it uses as much as digits as its factorization.
10031210197 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 378, while the sum is 25.
Adding to 10031210197 its reverse (79101213001), we get a palindrome (89132423198).
The spelling of 10031210197 in words is "ten billion, thirty-one million, two hundred ten thousand, one hundred ninety-seven".
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