Base | Representation |
---|---|
bin | 1010001111011001… |
… | …0100000110000011 |
3 | 21002120120211012210 |
4 | 2203312110012003 |
5 | 21112211034131 |
6 | 1132434553203 |
7 | 125056320351 |
oct | 24366240603 |
9 | 7076524183 |
10 | 2748924291 |
11 | 1190772563 |
12 | 648738803 |
13 | 34a686329 |
14 | 1c112a7d1 |
15 | 1114eb146 |
hex | a3d94183 |
2748924291 has 8 divisors (see below), whose sum is σ = 3667999744. Its totient is φ = 1831232520.
The previous prime is 2748924289. The next prime is 2748924329. The reversal of 2748924291 is 1924298472.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2748924291 - 21 = 2748924289 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2748924291.
It is not an unprimeable number, because it can be changed into a prime (2748924251) 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, 341275 + ... + 349236.
It is an arithmetic number, because the mean of its divisors is an integer number (458499968).
Almost surely, 22748924291 is an apocalyptic number.
2748924291 is a deficient number, since it is larger than the sum of its proper divisors (919075453).
2748924291 is a wasteful number, since it uses less digits than its factorization.
2748924291 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 691841.
The product of its digits is 580608, while the sum is 48.
The square root of 2748924291 is about 52430.1849224280. The cubic root of 2748924291 is about 1400.8369639927.
The spelling of 2748924291 in words is "two billion, seven hundred forty-eight million, nine hundred twenty-four thousand, two hundred ninety-one".
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