Base | Representation |
---|---|
bin | 1010101100000100… |
… | …1100111001111100 |
3 | 21101221221102110011 |
4 | 2223001030321330 |
5 | 21334010001230 |
6 | 1152413153004 |
7 | 131046646540 |
oct | 25301147174 |
9 | 7357842404 |
10 | 2869218940 |
11 | 1242665725 |
12 | 680a8b764 |
13 | 3695843b3 |
14 | 1d30c1a20 |
15 | 11bd5de2a |
hex | ab04ce7c |
2869218940 has 48 divisors (see below), whose sum is σ = 6900429312. Its totient is φ = 981688896.
The previous prime is 2869218931. The next prime is 2869218941. The reversal of 2869218940 is 498129682.
2869218940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2869218941) 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, 47139 + ... + 89221.
It is an arithmetic number, because the mean of its divisors is an integer number (143758944).
Almost surely, 22869218940 is an apocalyptic number.
2869218940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2869218940 is an abundant number, since it is smaller than the sum of its proper divisors (4031210372).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2869218940 is a wasteful number, since it uses less digits than its factorization.
2869218940 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42586 (or 42584 counting only the distinct ones).
The product of its (nonzero) digits is 497664, while the sum is 49.
The square root of 2869218940 is about 53565.0906841387. The cubic root of 2869218940 is about 1420.9797741257.
The spelling of 2869218940 in words is "two billion, eight hundred sixty-nine million, two hundred eighteen thousand, nine hundred forty".
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