Base | Representation |
---|---|
bin | 10101110010110000… |
… | …110000100110110001 |
3 | 2020101210122101201202 |
4 | 111302300300212301 |
5 | 340410424033410 |
6 | 14425551540545 |
7 | 1455610411652 |
oct | 256260604661 |
9 | 66353571652 |
10 | 23400221105 |
11 | 9a188a6508 |
12 | 465082a755 |
13 | 228bc7a2a1 |
14 | 11bdb0d529 |
15 | 91e518ca5 |
hex | 572c309b1 |
23400221105 has 8 divisors (see below), whose sum is σ = 28117169064. Its totient is φ = 18695574400.
The previous prime is 23400221087. The next prime is 23400221123. The reversal of 23400221105 is 50112200432.
It is an interprime number because it is at equal distance from previous prime (23400221087) and next prime (23400221123).
It can be written as a sum of positive squares in 4 ways, for example, as 512162161 + 22888058944 = 22631^2 + 151288^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23400221105 - 214 = 23400204721 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3071126 + ... + 3078735.
It is an arithmetic number, because the mean of its divisors is an integer number (3514646133).
Almost surely, 223400221105 is an apocalyptic number.
It is an amenable number.
23400221105 is a deficient number, since it is larger than the sum of its proper divisors (4716947959).
23400221105 is an equidigital number, since it uses as much as digits as its factorization.
23400221105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6150627.
The product of its (nonzero) digits is 480, while the sum is 20.
Adding to 23400221105 its reverse (50112200432), we get a palindrome (73512421537).
The spelling of 23400221105 in words is "twenty-three billion, four hundred million, two hundred twenty-one thousand, one hundred five".
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