Base | Representation |
---|---|
bin | 10101011111111001… |
… | …000101011100001001 |
3 | 2012120201221020021121 |
4 | 111133321011130021 |
5 | 334233402331424 |
6 | 14334322235241 |
7 | 1445014446514 |
oct | 253771053411 |
9 | 65521836247 |
10 | 23083636489 |
11 | 9876124831 |
12 | 45827b5b21 |
13 | 223b4c3804 |
14 | 118da5dd7b |
15 | 901830ee4 |
hex | 55fe45709 |
23083636489 has 9 divisors (see below), whose sum is σ = 23274346837. Its totient is φ = 22894479904.
The previous prime is 23083636451. The next prime is 23083636493. The reversal of 23083636489 is 98463638032.
The square root of 23083636489 is 151933.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 6723180025 + 16360456464 = 81995^2 + 127908^2 .
It is not a de Polignac number, because 23083636489 - 219 = 23083112201 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23083036489) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 20814267 + ... + 20815375.
Almost surely, 223083636489 is an apocalyptic number.
23083636489 is the 151933-rd square number.
23083636489 is the 75967-th centered octagonal number.
It is an amenable number.
23083636489 is a deficient number, since it is larger than the sum of its proper divisors (190710348).
23083636489 is an frugal number, since it uses more digits than its factorization.
23083636489 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2492 (or 1246 counting only the distinct ones).
The product of its (nonzero) digits is 4478976, while the sum is 52.
The spelling of 23083636489 in words is "twenty-three billion, eighty-three million, six hundred thirty-six thousand, four hundred eighty-nine".
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