Base | Representation |
---|---|
bin | 10101110010111111… |
… | …010010100011111101 |
3 | 2020102001210220211112 |
4 | 111302333102203331 |
5 | 340412412431310 |
6 | 14430205331405 |
7 | 1455654655133 |
oct | 256277224375 |
9 | 66361726745 |
10 | 23404030205 |
11 | 9a1aa68326 |
12 | 4651b66b65 |
13 | 228c9b1caa |
14 | 11c0421753 |
15 | 91ea1c705 |
hex | 572fd28fd |
23404030205 has 16 divisors (see below), whose sum is σ = 28778174208. Its totient is φ = 18261264000.
The previous prime is 23404030201. The next prime is 23404030229. The reversal of 23404030205 is 50203040432.
It is not a de Polignac number, because 23404030205 - 22 = 23404030201 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23404030201) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 787160 + ... + 816350.
It is an arithmetic number, because the mean of its divisors is an integer number (1798635888).
Almost surely, 223404030205 is an apocalyptic number.
It is an amenable number.
23404030205 is a deficient number, since it is larger than the sum of its proper divisors (5374144003).
23404030205 is a wasteful number, since it uses less digits than its factorization.
23404030205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33148.
The product of its (nonzero) digits is 2880, while the sum is 23.
Adding to 23404030205 its reverse (50203040432), we get a palindrome (73607070637).
The spelling of 23404030205 in words is "twenty-three billion, four hundred four million, thirty thousand, two hundred five".
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