Base | Representation |
---|---|
bin | 100000010100000111110110… |
… | …101010100110011110101101 |
3 | 200122012120100211212121211121 |
4 | 200110013312222212132231 |
5 | 122111444344133021031 |
6 | 1222133100351020541 |
7 | 41635565541216652 |
oct | 4024076652463655 |
9 | 618176324777747 |
10 | 142120311220141 |
11 | 41313981684481 |
12 | 13b33a5080a751 |
13 | 613bb70787c57 |
14 | 2714934577c29 |
15 | 1166d1e948011 |
hex | 8141f6aa67ad |
142120311220141 has 8 divisors (see below), whose sum is σ = 142428825006624. Its totient is φ = 141811815330480.
The previous prime is 142120311220127. The next prime is 142120311220193. The reversal of 142120311220141 is 141022113021241.
142120311220141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-142120311220141 is a prime.
It is a super-2 number, since 2×1421203112201412 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142120311220441) 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, 11486946 + ... + 20400748.
It is an arithmetic number, because the mean of its divisors is an integer number (17803603125828).
Almost surely, 2142120311220141 is an apocalyptic number.
It is an amenable number.
142120311220141 is a deficient number, since it is larger than the sum of its proper divisors (308513786483).
142120311220141 is an equidigital number, since it uses as much as digits as its factorization.
142120311220141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8948411.
The product of its (nonzero) digits is 768, while the sum is 25.
Adding to 142120311220141 its reverse (141022113021241), we get a palindrome (283142424241382).
The spelling of 142120311220141 in words is "one hundred forty-two trillion, one hundred twenty billion, three hundred eleven million, two hundred twenty thousand, one hundred forty-one".
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