Base | Representation |
---|---|
bin | 10010101111011000… |
… | …100001011100000001 |
3 | 1220221100200021120121 |
4 | 102233120201130001 |
5 | 312202302413101 |
6 | 13124414540241 |
7 | 1311435546664 |
oct | 225730413401 |
9 | 56840607517 |
10 | 20122310401 |
11 | 85965796a6 |
12 | 3a96b07681 |
13 | 1b88b3035b |
14 | d8c6436db |
15 | 7cb87b0a1 |
hex | 4af621701 |
20122310401 has 8 divisors (see below), whose sum is σ = 20927819264. Its totient is φ = 19332144720.
The previous prime is 20122310381. The next prime is 20122310407. The reversal of 20122310401 is 10401322102.
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 20122310401 - 213 = 20122302209 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20122310407) 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, 3833121 + ... + 3838366.
It is an arithmetic number, because the mean of its divisors is an integer number (2615977408).
Almost surely, 220122310401 is an apocalyptic number.
It is an amenable number.
20122310401 is a deficient number, since it is larger than the sum of its proper divisors (805508863).
20122310401 is an equidigital number, since it uses as much as digits as its factorization.
20122310401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7671591.
The product of its (nonzero) digits is 96, while the sum is 16.
Adding to 20122310401 its reverse (10401322102), we get a palindrome (30523632503).
The spelling of 20122310401 in words is "twenty billion, one hundred twenty-two million, three hundred ten thousand, four hundred one".
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