Base | Representation |
---|---|
bin | 111111010010111… |
… | …1110011111001101 |
3 | 12111000110111210122 |
4 | 1332211332133031 |
5 | 13322203300433 |
6 | 550430114325 |
7 | 103426502033 |
oct | 17645763715 |
9 | 5430414718 |
10 | 2123884493 |
11 | 99a971945 |
12 | 4b334b9a5 |
13 | 27b0313b3 |
14 | 162106553 |
15 | c66d4198 |
hex | 7e97e7cd |
2123884493 has 8 divisors (see below), whose sum is σ = 2196215040. Its totient is φ = 2051792640.
The previous prime is 2123884487. The next prime is 2123884507. The reversal of 2123884493 is 3944883212.
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 2123884493 - 226 = 2056775629 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2123884453) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41483 + ... + 77256.
It is an arithmetic number, because the mean of its divisors is an integer number (274526880).
Almost surely, 22123884493 is an apocalyptic number.
It is an amenable number.
2123884493 is a deficient number, since it is larger than the sum of its proper divisors (72330547).
2123884493 is a wasteful number, since it uses less digits than its factorization.
2123884493 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 119347.
The product of its digits is 331776, while the sum is 44.
The square root of 2123884493 is about 46085.6213259624. The cubic root of 2123884493 is about 1285.4157926110.
The spelling of 2123884493 in words is "two billion, one hundred twenty-three million, eight hundred eighty-four thousand, four hundred ninety-three".
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