Base | Representation |
---|---|
bin | 100111001000011… |
… | …0100001110000001 |
3 | 10101111200212222022 |
4 | 1032100310032001 |
5 | 10142113443131 |
6 | 334142451225 |
7 | 44352402560 |
oct | 11620641601 |
9 | 3344625868 |
10 | 1313031041 |
11 | 614198723 |
12 | 307893b15 |
13 | 17c04b35a |
14 | c6553bd7 |
15 | 7a41637b |
hex | 4e434381 |
1313031041 has 4 divisors (see below), whose sum is σ = 1500606912. Its totient is φ = 1125455172.
The previous prime is 1313031037. The next prime is 1313031053. The reversal of 1313031041 is 1401303131.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 1313031041 - 22 = 1313031037 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1313031541) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93787925 + ... + 93787938.
It is an arithmetic number, because the mean of its divisors is an integer number (375151728).
Almost surely, 21313031041 is an apocalyptic number.
It is an amenable number.
1313031041 is a deficient number, since it is larger than the sum of its proper divisors (187575871).
1313031041 is an equidigital number, since it uses as much as digits as its factorization.
1313031041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 187575870.
The product of its (nonzero) digits is 108, while the sum is 17.
The square root of 1313031041 is about 36235.7701863780. The cubic root of 1313031041 is about 1095.0274288216.
Adding to 1313031041 its reverse (1401303131), we get a palindrome (2714334172).
The spelling of 1313031041 in words is "one billion, three hundred thirteen million, thirty-one thousand, forty-one".
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