Base | Representation |
---|---|
bin | 1001011101100101… |
… | …1000011010100111 |
3 | 20120000111001002211 |
4 | 2113121120122213 |
5 | 20200220410343 |
6 | 1100013144251 |
7 | 116641520236 |
oct | 22731303247 |
9 | 6500431084 |
10 | 2540013223 |
11 | 1093853590 |
12 | 5aa78b087 |
13 | 3162cc007 |
14 | 1a14a8b1d |
15 | eced179d |
hex | 976586a7 |
2540013223 has 8 divisors (see below), whose sum is σ = 2772706176. Its totient is φ = 2307617400.
The previous prime is 2540013193. The next prime is 2540013247. The reversal of 2540013223 is 3223100452.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2540013223 - 29 = 2540012711 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2540013194 and 2540013203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2540013253) by changing a digit.
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, 56211 + ... + 90772.
It is an arithmetic number, because the mean of its divisors is an integer number (346588272).
Almost surely, 22540013223 is an apocalyptic number.
2540013223 is a deficient number, since it is larger than the sum of its proper divisors (232692953).
2540013223 is a wasteful number, since it uses less digits than its factorization.
2540013223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 148565.
The product of its (nonzero) digits is 1440, while the sum is 22.
The square root of 2540013223 is about 50398.5438579330. The cubic root of 2540013223 is about 1364.4113574199.
Adding to 2540013223 its reverse (3223100452), we get a palindrome (5763113675).
The spelling of 2540013223 in words is "two billion, five hundred forty million, thirteen thousand, two hundred twenty-three".
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