Base | Representation |
---|---|
bin | 1000010001000010110… |
… | …1101001000111100001 |
3 | 111120120012222222212011 |
4 | 2010100231221013201 |
5 | 4311321131233441 |
6 | 145123535432521 |
7 | 13155150545431 |
oct | 2042055510741 |
9 | 446505888764 |
10 | 142014321121 |
11 | 55256422442 |
12 | 23634385741 |
13 | 10512cb199a |
14 | 6c32d742c1 |
15 | 3a629b2581 |
hex | 2110b691e1 |
142014321121 has 8 divisors (see below), whose sum is σ = 142392853224. Its totient is φ = 141635894400.
The previous prime is 142014321109. The next prime is 142014321139. The reversal of 142014321121 is 121123410241.
It can be written as a sum of positive squares in 4 ways, for example, as 9547439521 + 132466881600 = 97711^2 + 363960^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 142014321121 - 213 = 142014312929 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 142014321092 and 142014321101.
It is not an unprimeable number, because it can be changed into a prime (142014321181) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3190821 + ... + 3235021.
It is an arithmetic number, because the mean of its divisors is an integer number (17799106653).
Almost surely, 2142014321121 is an apocalyptic number.
It is an amenable number.
142014321121 is a deficient number, since it is larger than the sum of its proper divisors (378532103).
142014321121 is an equidigital number, since it uses as much as digits as its factorization.
142014321121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52691.
The product of its (nonzero) digits is 384, while the sum is 22.
Adding to 142014321121 its reverse (121123410241), we get a palindrome (263137731362).
The spelling of 142014321121 in words is "one hundred forty-two billion, fourteen million, three hundred twenty-one thousand, one hundred twenty-one".
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