Base | Representation |
---|---|
bin | 111111110101110… |
… | …1000001101101111 |
3 | 12112021211011020100 |
4 | 1333223220031233 |
5 | 13341342041333 |
6 | 552321322143 |
7 | 104040626604 |
oct | 17753501557 |
9 | 5467734210 |
10 | 2142143343 |
11 | 9aa202aaa |
12 | 4b9496353 |
13 | 281a55152 |
14 | 1646da6ab |
15 | c80de213 |
hex | 7fae836f |
2142143343 has 24 divisors (see below), whose sum is σ = 3141230976. Its totient is φ = 1406437200.
The previous prime is 2142143329. The next prime is 2142143351. The reversal of 2142143343 is 3433412412.
It is not a de Polignac number, because 2142143343 - 26 = 2142143279 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2142143323) 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, 1064208 + ... + 1066218.
It is an arithmetic number, because the mean of its divisors is an integer number (130884624).
Almost surely, 22142143343 is an apocalyptic number.
2142143343 is a deficient number, since it is larger than the sum of its proper divisors (999087633).
2142143343 is a wasteful number, since it uses less digits than its factorization.
2142143343 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3755 (or 3752 counting only the distinct ones).
The product of its digits is 6912, while the sum is 27.
The square root of 2142143343 is about 46283.2944268232. The cubic root of 2142143343 is about 1289.0888229300.
Adding to 2142143343 its reverse (3433412412), we get a palindrome (5575555755).
The spelling of 2142143343 in words is "two billion, one hundred forty-two million, one hundred forty-three thousand, three hundred forty-three".
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