Base | Representation |
---|---|
bin | 1000010010100000000… |
… | …1111001000001110101 |
3 | 111121120111002012110012 |
4 | 2010220001321001311 |
5 | 4313121302131031 |
6 | 145230432110005 |
7 | 13200640551554 |
oct | 2045001710165 |
9 | 447514065405 |
10 | 142405505141 |
11 | 55437216819 |
12 | 23723395305 |
13 | 10576057613 |
14 | 6c6ccc1d9b |
15 | 3a86ed3b2b |
hex | 2128079075 |
142405505141 has 2 divisors, whose sum is σ = 142405505142. Its totient is φ = 142405505140.
The previous prime is 142405505087. The next prime is 142405505147. The reversal of 142405505141 is 141505504241.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 107406952900 + 34998552241 = 327730^2 + 187079^2 .
It is a cyclic number.
It is not a de Polignac number, because 142405505141 - 210 = 142405504117 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 142405505098 and 142405505107.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (142405505147) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71202752570 + 71202752571.
It is an arithmetic number, because the mean of its divisors is an integer number (71202752571).
Almost surely, 2142405505141 is an apocalyptic number.
It is an amenable number.
142405505141 is a deficient number, since it is larger than the sum of its proper divisors (1).
142405505141 is an equidigital number, since it uses as much as digits as its factorization.
142405505141 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 16000, while the sum is 32.
The spelling of 142405505141 in words is "one hundred forty-two billion, four hundred five million, five hundred five thousand, one hundred forty-one".
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