Base | Representation |
---|---|
bin | 10001000000000… |
… | …10100010100101 |
3 | 100221100200101112 |
4 | 20200002202211 |
5 | 243002213431 |
6 | 22052434405 |
7 | 3351136151 |
oct | 1040024245 |
9 | 327320345 |
10 | 142616741 |
11 | 7355a083 |
12 | 3b918a05 |
13 | 23715407 |
14 | 14d26061 |
15 | c7c1c2b |
hex | 88028a5 |
142616741 has 2 divisors, whose sum is σ = 142616742. Its totient is φ = 142616740.
The previous prime is 142616713. The next prime is 142616743. The reversal of 142616741 is 147616241.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 134328100 + 8288641 = 11590^2 + 2879^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-142616741 is a prime.
It is a super-2 number, since 2×1426167412 = 40679069626922162, which contains 22 as substring.
Together with 142616743, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 142616698 and 142616707.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (142616743) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71308370 + 71308371.
It is an arithmetic number, because the mean of its divisors is an integer number (71308371).
Almost surely, 2142616741 is an apocalyptic number.
It is an amenable number.
142616741 is a deficient number, since it is larger than the sum of its proper divisors (1).
142616741 is an equidigital number, since it uses as much as digits as its factorization.
142616741 is an evil number, because the sum of its binary digits is even.
The product of its digits is 8064, while the sum is 32.
The square root of 142616741 is about 11942.2251276720. The cubic root of 142616741 is about 522.4645593049.
The spelling of 142616741 in words is "one hundred forty-two million, six hundred sixteen thousand, seven hundred forty-one".
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