Base | Representation |
---|---|
bin | 100111000011010… |
… | …0000110100001011 |
3 | 10101022121200000022 |
4 | 1032012200310023 |
5 | 10140421030443 |
6 | 334004531055 |
7 | 44320423304 |
oct | 11606406413 |
9 | 3338550008 |
10 | 1310330123 |
11 | 612713463 |
12 | 3069b0a8b |
13 | 17b613b8b |
14 | c604d7ab |
15 | 7a080e68 |
hex | 4e1a0d0b |
1310330123 has 4 divisors (see below), whose sum is σ = 1311147120. Its totient is φ = 1309513128.
The previous prime is 1310330107. The next prime is 1310330137. The reversal of 1310330123 is 3210330131.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3210330131 = 29 ⋅110701039.
It is a cyclic number.
It is not a de Polignac number, because 1310330123 - 24 = 1310330107 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1310330023) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406088 + ... + 409301.
It is an arithmetic number, because the mean of its divisors is an integer number (327786780).
Almost surely, 21310330123 is an apocalyptic number.
1310330123 is a deficient number, since it is larger than the sum of its proper divisors (816997).
1310330123 is an equidigital number, since it uses as much as digits as its factorization.
1310330123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 816996.
The product of its (nonzero) digits is 162, while the sum is 17.
The square root of 1310330123 is about 36198.4823300646. The cubic root of 1310330123 is about 1094.2760859504.
Adding to 1310330123 its reverse (3210330131), we get a palindrome (4520660254).
The spelling of 1310330123 in words is "one billion, three hundred ten million, three hundred thirty thousand, one hundred twenty-three".
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