Base | Representation |
---|---|
bin | 1000010000000110… |
… | …1001001010001011 |
3 | 12201100221211122220 |
4 | 2010001221022023 |
5 | 14014021220433 |
6 | 1003443345123 |
7 | 105614246466 |
oct | 20401511213 |
9 | 5640854586 |
10 | 2215023243 |
11 | a37360824 |
12 | 5199821a3 |
13 | 293b91754 |
14 | 17026c2dd |
15 | ce6d82b3 |
hex | 8406928b |
2215023243 has 8 divisors (see below), whose sum is σ = 2954372928. Its totient is φ = 1476177864.
The previous prime is 2215023233. The next prime is 2215023271. The reversal of 2215023243 is 3423205122.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2215023243 - 29 = 2215022731 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2215023233) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115705 + ... + 133482.
It is an arithmetic number, because the mean of its divisors is an integer number (369296616).
Almost surely, 22215023243 is an apocalyptic number.
2215023243 is a deficient number, since it is larger than the sum of its proper divisors (739349685).
2215023243 is a wasteful number, since it uses less digits than its factorization.
2215023243 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 252153.
The product of its (nonzero) digits is 2880, while the sum is 24.
The square root of 2215023243 is about 47064.0334331855. The cubic root of 2215023243 is about 1303.5452034358.
Adding to 2215023243 its reverse (3423205122), we get a palindrome (5638228365).
The spelling of 2215023243 in words is "two billion, two hundred fifteen million, twenty-three thousand, two hundred forty-three".
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