Base | Representation |
---|---|
bin | 10010101111110111… |
… | …000010100100000001 |
3 | 1220221220201201111220 |
4 | 102233313002210001 |
5 | 312211324413101 |
6 | 13125302225253 |
7 | 1311563546415 |
oct | 225767024401 |
9 | 56856651456 |
10 | 20130310401 |
11 | 85a0043173 |
12 | 3a99725229 |
13 | 1b8a6a1796 |
14 | d8d726d45 |
15 | 7cc40b636 |
hex | 4afdc2901 |
20130310401 has 8 divisors (see below), whose sum is σ = 28007388480. Its totient is φ = 12836719632.
The previous prime is 20130310373. The next prime is 20130310411. The reversal of 20130310401 is 10401303102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20130310401 - 27 = 20130310273 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20130310411) 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, 145871746 + ... + 145871883.
It is an arithmetic number, because the mean of its divisors is an integer number (3500923560).
Almost surely, 220130310401 is an apocalyptic number.
It is an amenable number.
20130310401 is a deficient number, since it is larger than the sum of its proper divisors (7877078079).
20130310401 is a wasteful number, since it uses less digits than its factorization.
20130310401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 291743655.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 20130310401 its reverse (10401303102), we get a palindrome (30531613503).
The spelling of 20130310401 in words is "twenty billion, one hundred thirty million, three hundred ten thousand, four hundred one".
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