Base | Representation |
---|---|
bin | 1000010001110001110… |
… | …0110000001101110101 |
3 | 111121001221111111210212 |
4 | 2010130130300031311 |
5 | 4312222033022331 |
6 | 145155251555205 |
7 | 13163061266561 |
oct | 2043434601565 |
9 | 447057444725 |
10 | 142211220341 |
11 | 55347587773 |
12 | 2368a2bbb05 |
13 | 10544a217b8 |
14 | 6c5118a6a1 |
15 | 3a74e07d2b |
hex | 211c730375 |
142211220341 has 8 divisors (see below), whose sum is σ = 144566186904. Its totient is φ = 139857016320.
The previous prime is 142211220337. The next prime is 142211220367. The reversal of 142211220341 is 143022112241.
It can be written as a sum of positive squares in 4 ways, for example, as 31141660900 + 111069559441 = 176470^2 + 333271^2 .
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 142211220341 - 22 = 142211220337 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142211220301) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191741 + ... + 566733.
It is an arithmetic number, because the mean of its divisors is an integer number (18070773363).
Almost surely, 2142211220341 is an apocalyptic number.
It is an amenable number.
142211220341 is a deficient number, since it is larger than the sum of its proper divisors (2354966563).
142211220341 is an equidigital number, since it uses as much as digits as its factorization.
142211220341 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 381271.
The product of its (nonzero) digits is 768, while the sum is 23.
Adding to 142211220341 its reverse (143022112241), we get a palindrome (285233332582).
The spelling of 142211220341 in words is "one hundred forty-two billion, two hundred eleven million, two hundred twenty thousand, three hundred forty-one".
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