Base | Representation |
---|---|
bin | 100111001000011… |
… | …0100011111001101 |
3 | 10101111200221111001 |
4 | 1032100310133031 |
5 | 10142114012031 |
6 | 334142500301 |
7 | 44352406021 |
oct | 11620643715 |
9 | 3344627431 |
10 | 1313032141 |
11 | 614199533 |
12 | 307894691 |
13 | 17c04b9c5 |
14 | c6554381 |
15 | 7a416861 |
hex | 4e4347cd |
1313032141 has 2 divisors, whose sum is σ = 1313032142. Its totient is φ = 1313032140.
The previous prime is 1313032139. The next prime is 1313032153. The reversal of 1313032141 is 1412303131.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1309716100 + 3316041 = 36190^2 + 1821^2 .
It is a cyclic number.
It is not a de Polignac number, because 1313032141 - 21 = 1313032139 is a prime.
Together with 1313032139, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1313032121) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656516070 + 656516071.
It is an arithmetic number, because the mean of its divisors is an integer number (656516071).
Almost surely, 21313032141 is an apocalyptic number.
It is an amenable number.
1313032141 is a deficient number, since it is larger than the sum of its proper divisors (1).
1313032141 is an equidigital number, since it uses as much as digits as its factorization.
1313032141 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 216, while the sum is 19.
The square root of 1313032141 is about 36235.7853647468. The cubic root of 1313032141 is about 1095.0277346102.
Adding to 1313032141 its reverse (1412303131), we get a palindrome (2725335272).
The spelling of 1313032141 in words is "one billion, three hundred thirteen million, thirty-two thousand, one hundred forty-one".
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