Base | Representation |
---|---|
bin | 10010101000001111… |
… | …11110011000001111 |
3 | 221211000020020211002 |
4 | 21110013332120033 |
5 | 130440313424442 |
6 | 4332230450515 |
7 | 502561512554 |
oct | 112407763017 |
9 | 27730206732 |
10 | 10001311247 |
11 | 4272530194 |
12 | 1b31503a3b |
13 | c35059265 |
14 | 6ac3c4a2b |
15 | 3d806b732 |
hex | 2541fe60f |
10001311247 has 2 divisors, whose sum is σ = 10001311248. Its totient is φ = 10001311246.
The previous prime is 10001311231. The next prime is 10001311253. The reversal of 10001311247 is 74211310001.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 10001311247 - 24 = 10001311231 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10001311207) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000655623 + 5000655624.
It is an arithmetic number, because the mean of its divisors is an integer number (5000655624).
Almost surely, 210001311247 is an apocalyptic number.
10001311247 is a deficient number, since it is larger than the sum of its proper divisors (1).
10001311247 is an equidigital number, since it uses as much as digits as its factorization.
10001311247 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 168, while the sum is 20.
Adding to 10001311247 its reverse (74211310001), we get a palindrome (84212621248).
The spelling of 10001311247 in words is "ten billion, one million, three hundred eleven thousand, two hundred forty-seven".
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