Base | Representation |
---|---|
bin | 100111000101001… |
… | …0101011010110111 |
3 | 10101101111120100201 |
4 | 1032022111122313 |
5 | 10141200111043 |
6 | 334042221331 |
7 | 44332065301 |
oct | 11612253267 |
9 | 3341446321 |
10 | 1311332023 |
11 | 613238181 |
12 | 3071b4847 |
13 | 17b8a4c11 |
14 | c6230971 |
15 | 7a1ccc4d |
hex | 4e2956b7 |
1311332023 has 16 divisors (see below), whose sum is σ = 1381072896. Its totient is φ = 1243559520.
The previous prime is 1311332003. The next prime is 1311332093. The reversal of 1311332023 is 3202331131.
It is a cyclic number.
It is not a de Polignac number, because 1311332023 - 25 = 1311331991 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1311332003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324765 + ... + 328777.
It is an arithmetic number, because the mean of its divisors is an integer number (86317056).
Almost surely, 21311332023 is an apocalyptic number.
1311332023 is a deficient number, since it is larger than the sum of its proper divisors (69740873).
1311332023 is a wasteful number, since it uses less digits than its factorization.
1311332023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4254.
The product of its (nonzero) digits is 324, while the sum is 19.
The square root of 1311332023 is about 36212.3186636813. The cubic root of 1311332023 is about 1094.5549154045.
Adding to 1311332023 its reverse (3202331131), we get a palindrome (4513663154).
The spelling of 1311332023 in words is "one billion, three hundred eleven million, three hundred thirty-two thousand, twenty-three".
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