Base | Representation |
---|---|
bin | 10101101001010110… |
… | …000010010111001001 |
3 | 2012222210100011100001 |
4 | 111221112002113021 |
5 | 340100002033001 |
6 | 14402145243001 |
7 | 1451651422156 |
oct | 255126022711 |
9 | 65883304301 |
10 | 23242221001 |
11 | 994769a70a |
12 | 4607933461 |
13 | 2265309bbc |
14 | 11a6b4122d |
15 | 910709001 |
hex | 5695825c9 |
23242221001 has 4 divisors (see below), whose sum is σ = 23242529812. Its totient is φ = 23241912192.
The previous prime is 23242220983. The next prime is 23242221043. The reversal of 23242221001 is 10012224232.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 3782250000 + 19459971001 = 61500^2 + 139499^2 .
It is a cyclic number.
It is not a de Polignac number, because 23242221001 - 219 = 23241696713 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 23242221001.
It is not an unprimeable number, because it can be changed into a prime (23242221091) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40501 + ... + 219373.
It is an arithmetic number, because the mean of its divisors is an integer number (5810632453).
Almost surely, 223242221001 is an apocalyptic number.
It is an amenable number.
23242221001 is a deficient number, since it is larger than the sum of its proper divisors (308811).
23242221001 is a wasteful number, since it uses less digits than its factorization.
23242221001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 308810.
The product of its (nonzero) digits is 384, while the sum is 19.
Adding to 23242221001 its reverse (10012224232), we get a palindrome (33254445233).
The spelling of 23242221001 in words is "twenty-three billion, two hundred forty-two million, two hundred twenty-one thousand, one".
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