Base | Representation |
---|---|
bin | 100111000011010… |
… | …0000111000110111 |
3 | 10101022121200102102 |
4 | 1032012200320313 |
5 | 10140421033143 |
6 | 334004532315 |
7 | 44320424213 |
oct | 11606407067 |
9 | 3338550372 |
10 | 1310330423 |
11 | 612713706 |
12 | 3069b109b |
13 | 17b61405c |
14 | c604d943 |
15 | 7a0810b8 |
hex | 4e1a0e37 |
1310330423 has 4 divisors (see below), whose sum is σ = 1311211920. Its totient is φ = 1309448928.
The previous prime is 1310330389. The next prime is 1310330429. The reversal of 1310330423 is 3240330131.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1310330423 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1310330395 and 1310330404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1310330429) 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, 438515 + ... + 441492.
It is an arithmetic number, because the mean of its divisors is an integer number (327802980).
Almost surely, 21310330423 is an apocalyptic number.
1310330423 is a deficient number, since it is larger than the sum of its proper divisors (881497).
1310330423 is an equidigital number, since it uses as much as digits as its factorization.
1310330423 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 881496.
The product of its (nonzero) digits is 648, while the sum is 20.
The square root of 1310330423 is about 36198.4864738845. The cubic root of 1310330423 is about 1094.2761694619.
Adding to 1310330423 its reverse (3240330131), we get a palindrome (4550660554).
The spelling of 1310330423 in words is "one billion, three hundred ten million, three hundred thirty thousand, four hundred twenty-three".
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