Base | Representation |
---|---|
bin | 10011000010011100… |
… | …011011101010000001 |
3 | 1221202122102101201202 |
4 | 103002130123222001 |
5 | 313331134234101 |
6 | 13220241110545 |
7 | 1322401001120 |
oct | 230234335201 |
9 | 57678371652 |
10 | 20442102401 |
11 | 8740041106 |
12 | 3b66028455 |
13 | 1c0a16a9a6 |
14 | dbccc9ab7 |
15 | 7e999936b |
hex | 4c271ba81 |
20442102401 has 8 divisors (see below), whose sum is σ = 23407248384. Its totient is φ = 17488167840.
The previous prime is 20442102379. The next prime is 20442102409. The reversal of 20442102401 is 10420124402.
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 20442102401 - 210 = 20442101377 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20442102409) 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, 2798945 + ... + 2806238.
It is an arithmetic number, because the mean of its divisors is an integer number (2925906048).
Almost surely, 220442102401 is an apocalyptic number.
It is an amenable number.
20442102401 is a deficient number, since it is larger than the sum of its proper divisors (2965145983).
20442102401 is an equidigital number, since it uses as much as digits as its factorization.
20442102401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5605711.
The product of its (nonzero) digits is 512, while the sum is 20.
Adding to 20442102401 its reverse (10420124402), we get a palindrome (30862226803).
The spelling of 20442102401 in words is "twenty billion, four hundred forty-two million, one hundred two thousand, four hundred one".
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