Base | Representation |
---|---|
bin | 111111110101111… |
… | …0111000110111000 |
3 | 12112021221020220122 |
4 | 1333223313012320 |
5 | 13341401014334 |
6 | 552322512412 |
7 | 104041302500 |
oct | 17753670670 |
9 | 5467836818 |
10 | 2142204344 |
11 | 9aa244915 |
12 | 4b9505708 |
13 | 281a76b47 |
14 | 164714a00 |
15 | c810232e |
hex | 7faf71b8 |
2142204344 has 96 divisors (see below), whose sum is σ = 4801433760. Its totient is φ = 893088000.
The previous prime is 2142204329. The next prime is 2142204347. The reversal of 2142204344 is 4434022412.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2142204347) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2414669 + ... + 2415555.
It is an arithmetic number, because the mean of its divisors is an integer number (50014935).
Almost surely, 22142204344 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2142204344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2400716880).
2142204344 is an abundant number, since it is smaller than the sum of its proper divisors (2659229416).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2142204344 is a wasteful number, since it uses less digits than its factorization.
2142204344 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1069 (or 1058 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 26.
The square root of 2142204344 is about 46283.9534180044. The cubic root of 2142204344 is about 1289.1010591110.
Adding to 2142204344 its reverse (4434022412), we get a palindrome (6576226756).
The spelling of 2142204344 in words is "two billion, one hundred forty-two million, two hundred four thousand, three hundred forty-four".
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