Base | Representation |
---|---|
bin | 10000111100101… |
… | …11001010001011 |
3 | 100220112100001101 |
4 | 20132113022023 |
5 | 242344130112 |
6 | 22035202231 |
7 | 3344324635 |
oct | 1036271213 |
9 | 326470041 |
10 | 142176907 |
11 | 73289684 |
12 | 3b746377 |
13 | 235c0162 |
14 | 14c4da55 |
15 | c736757 |
hex | 879728b |
142176907 has 2 divisors, whose sum is σ = 142176908. Its totient is φ = 142176906.
The previous prime is 142176893. The next prime is 142176911. The reversal of 142176907 is 709671241.
142176907 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is an emirp because it is prime and its reverse (709671241) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 142176907 - 27 = 142176779 is a prime.
It is not a weakly prime, because it can be changed into another prime (142176407) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71088453 + 71088454.
It is an arithmetic number, because the mean of its divisors is an integer number (71088454).
Almost surely, 2142176907 is an apocalyptic number.
142176907 is a deficient number, since it is larger than the sum of its proper divisors (1).
142176907 is an equidigital number, since it uses as much as digits as its factorization.
142176907 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 21168, while the sum is 37.
The square root of 142176907 is about 11923.7958301876. The cubic root of 142176907 is about 521.9269077990.
The spelling of 142176907 in words is "one hundred forty-two million, one hundred seventy-six thousand, nine hundred seven".
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