Base | Representation |
---|---|
bin | 111111110101101… |
… | …1110010111100101 |
3 | 12112021202002220122 |
4 | 1333223132113211 |
5 | 13341334244023 |
6 | 552320411325 |
7 | 104040401201 |
oct | 17753362745 |
9 | 5467662818 |
10 | 2142103013 |
11 | 9aa185776 |
12 | 4b9476b45 |
13 | 281a3c99b |
14 | 1646c9b01 |
15 | c80d22c8 |
hex | 7fade5e5 |
2142103013 has 4 divisors (see below), whose sum is σ = 2142212640. Its totient is φ = 2141993388.
The previous prime is 2142102983. The next prime is 2142103043. The reversal of 2142103013 is 3103012412.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.
It is an interprime number because it is at equal distance from previous prime (2142102983) and next prime (2142103043).
It is a cyclic number.
It is not a de Polignac number, because 2142103013 - 210 = 2142101989 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 2142102982 and 2142103000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2142103043) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16643 + ... + 67536.
It is an arithmetic number, because the mean of its divisors is an integer number (535553160).
Almost surely, 22142103013 is an apocalyptic number.
It is an amenable number.
2142103013 is a deficient number, since it is larger than the sum of its proper divisors (109627).
2142103013 is an equidigital number, since it uses as much as digits as its factorization.
2142103013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 109626.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 2142103013 is about 46282.8587384142. The cubic root of 2142103013 is about 1289.0807330141.
Adding to 2142103013 its reverse (3103012412), we get a palindrome (5245115425).
The spelling of 2142103013 in words is "two billion, one hundred forty-two million, one hundred three thousand, thirteen".
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