Base | Representation |
---|---|
bin | 1111111000100… |
… | …00000101111111 |
3 | 100021201001011021 |
4 | 13330100011333 |
5 | 233102010241 |
6 | 21115405011 |
7 | 3205323304 |
oct | 774200577 |
9 | 307631137 |
10 | 133235071 |
11 | 69231532 |
12 | 38753767 |
13 | 217ac128 |
14 | 139a30ab |
15 | ba6c0d1 |
hex | 7f1017f |
133235071 has 2 divisors, whose sum is σ = 133235072. Its totient is φ = 133235070.
The previous prime is 133235051. The next prime is 133235101. The reversal of 133235071 is 170532331.
It is a weak prime.
It is an emirp because it is prime and its reverse (170532331) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 133235071 - 27 = 133234943 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (133235051) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66617535 + 66617536.
It is an arithmetic number, because the mean of its divisors is an integer number (66617536).
Almost surely, 2133235071 is an apocalyptic number.
133235071 is a deficient number, since it is larger than the sum of its proper divisors (1).
133235071 is an equidigital number, since it uses as much as digits as its factorization.
133235071 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1890, while the sum is 25.
The square root of 133235071 is about 11542.7497157306. The cubic root of 133235071 is about 510.7474251654.
The spelling of 133235071 in words is "one hundred thirty-three million, two hundred thirty-five thousand, seventy-one".
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