Base | Representation |
---|---|
bin | 11001001110000… |
… | …111011110000101 |
3 | 1002111012021122000 |
4 | 121032013132011 |
5 | 1331310143023 |
6 | 105553055513 |
7 | 13325361054 |
oct | 3116073605 |
9 | 1074167560 |
10 | 423131013 |
11 | 1a7934658 |
12 | b9857599 |
13 | 6987cba6 |
14 | 402a639b |
15 | 27232243 |
hex | 19387785 |
423131013 has 16 divisors (see below), whose sum is σ = 627291840. Its totient is φ = 281893392.
The previous prime is 423130991. The next prime is 423131021. The reversal of 423131013 is 310131324.
It is not a de Polignac number, because 423131013 - 212 = 423126917 is a prime.
It is a super-3 number, since 3×4231310133 (a number of 27 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (423130013) 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, 42270 + ... + 51312.
It is an arithmetic number, because the mean of its divisors is an integer number (39205740).
Almost surely, 2423131013 is an apocalyptic number.
It is an amenable number.
423131013 is a deficient number, since it is larger than the sum of its proper divisors (204160827).
423131013 is a wasteful number, since it uses less digits than its factorization.
423131013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10785 (or 10779 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 423131013 is about 20570.1485896432. The cubic root of 423131013 is about 750.7435665681.
Adding to 423131013 its reverse (310131324), we get a palindrome (733262337).
The spelling of 423131013 in words is "four hundred twenty-three million, one hundred thirty-one thousand, thirteen".
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