Base | Representation |
---|---|
bin | 10010101111110111… |
… | …000011000011011101 |
3 | 1220221220201211021102 |
4 | 102233313003003131 |
5 | 312211324444123 |
6 | 13125302242445 |
7 | 1311563555321 |
oct | 225767030335 |
9 | 56856654242 |
10 | 20130312413 |
11 | 85a0044732 |
12 | 3a99726425 |
13 | 1b8a6a2683 |
14 | d8d727981 |
15 | 7cc40c028 |
hex | 4afdc30dd |
20130312413 has 8 divisors (see below), whose sum is σ = 21212630400. Its totient is φ = 19050277248.
The previous prime is 20130312403. The next prime is 20130312421. The reversal of 20130312413 is 31421303102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20130312413 - 214 = 20130296029 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 (20130312403) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 552581 + ... + 587882.
It is an arithmetic number, because the mean of its divisors is an integer number (2651578800).
Almost surely, 220130312413 is an apocalyptic number.
It is an amenable number.
20130312413 is a deficient number, since it is larger than the sum of its proper divisors (1082317987).
20130312413 is a wasteful number, since it uses less digits than its factorization.
20130312413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1141411.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 20130312413 its reverse (31421303102), we get a palindrome (51551615515).
The spelling of 20130312413 in words is "twenty billion, one hundred thirty million, three hundred twelve thousand, four hundred thirteen".
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