Base | Representation |
---|---|
bin | 111111010010110… |
… | …1101011101010111 |
3 | 12111000022222010022 |
4 | 1332211231131113 |
5 | 13322144032433 |
6 | 550424415355 |
7 | 103426061501 |
oct | 17645553527 |
9 | 5430288108 |
10 | 2123814743 |
11 | 99a9244a6 |
12 | 4b331755b |
13 | 27b00871b |
14 | 1620c8d71 |
15 | c66bd698 |
hex | 7e96d757 |
2123814743 has 16 divisors (see below), whose sum is σ = 2347418880. Its totient is φ = 1912627200.
The previous prime is 2123814731. The next prime is 2123814757. The reversal of 2123814743 is 3474183212.
It is a cyclic number.
It is not a de Polignac number, because 2123814743 - 28 = 2123814487 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2123814703) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24263 + ... + 69543.
It is an arithmetic number, because the mean of its divisors is an integer number (146713680).
Almost surely, 22123814743 is an apocalyptic number.
2123814743 is a deficient number, since it is larger than the sum of its proper divisors (223604137).
2123814743 is a wasteful number, since it uses less digits than its factorization.
2123814743 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45418.
The product of its digits is 32256, while the sum is 35.
The square root of 2123814743 is about 46084.8645761274. The cubic root of 2123814743 is about 1285.4017211092.
Adding to 2123814743 its reverse (3474183212), we get a palindrome (5597997955).
The spelling of 2123814743 in words is "two billion, one hundred twenty-three million, eight hundred fourteen thousand, seven hundred forty-three".
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