Base | Representation |
---|---|
bin | 10111010101101110… |
… | …11110110110011111 |
3 | 1012100021001121020121 |
4 | 23222313132312133 |
5 | 201130232104143 |
6 | 5431212455411 |
7 | 622341124066 |
oct | 135267366637 |
9 | 35307047217 |
10 | 12530347423 |
11 | 5350066530 |
12 | 251847a567 |
13 | 1248cb3a79 |
14 | 86c2331dd |
15 | 4d50d07ed |
hex | 2eadded9f |
12530347423 has 16 divisors (see below), whose sum is σ = 13712832000. Its totient is φ = 11355158880.
The previous prime is 12530347409. The next prime is 12530347433. The reversal of 12530347423 is 32474303521.
It is a cyclic number.
It is not a de Polignac number, because 12530347423 - 221 = 12528250271 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 (12530347433) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7003213 + ... + 7005001.
It is an arithmetic number, because the mean of its divisors is an integer number (857052000).
Almost surely, 212530347423 is an apocalyptic number.
12530347423 is a deficient number, since it is larger than the sum of its proper divisors (1182484577).
12530347423 is a wasteful number, since it uses less digits than its factorization.
12530347423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3462.
The product of its (nonzero) digits is 60480, while the sum is 34.
It can be divided in two parts, 12530 and 347423, that added together give a palindrome (359953).
The spelling of 12530347423 in words is "twelve billion, five hundred thirty million, three hundred forty-seven thousand, four hundred twenty-three".
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