Base | Representation |
---|---|
bin | 10101110100001101… |
… | …111011000010000101 |
3 | 2020110111121011112222 |
4 | 111310031323002011 |
5 | 340433202040310 |
6 | 14432223222125 |
7 | 1456325116265 |
oct | 256415730205 |
9 | 66414534488 |
10 | 23424643205 |
11 | 9a30667167 |
12 | 4658a47945 |
13 | 229404b432 |
14 | 11c30697a5 |
15 | 921740055 |
hex | 57437b085 |
23424643205 has 8 divisors (see below), whose sum is σ = 28869290232. Its totient is φ = 18233235648.
The previous prime is 23424643171. The next prime is 23424643217. The reversal of 23424643205 is 50234642432.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 10006200961 + 13418442244 = 100031^2 + 115838^2 .
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 23424643205 - 210 = 23424642181 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63309662 + ... + 63310031.
It is an arithmetic number, because the mean of its divisors is an integer number (3608661279).
Almost surely, 223424643205 is an apocalyptic number.
It is an amenable number.
23424643205 is a deficient number, since it is larger than the sum of its proper divisors (5444647027).
23424643205 is a wasteful number, since it uses less digits than its factorization.
23424643205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 126619735.
The product of its (nonzero) digits is 138240, while the sum is 35.
The spelling of 23424643205 in words is "twenty-three billion, four hundred twenty-four million, six hundred forty-three thousand, two hundred five".
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