Base | Representation |
---|---|
bin | 10010000011011… |
… | …01111001011001 |
3 | 101112222012121002 |
4 | 21001231321121 |
5 | 302232220311 |
6 | 23005554345 |
7 | 3516155564 |
oct | 1101557131 |
9 | 345865532 |
10 | 151445081 |
11 | 78539a27 |
12 | 428759b5 |
13 | 254b6898 |
14 | 161834db |
15 | d46793b |
hex | 906de59 |
151445081 has 2 divisors, whose sum is σ = 151445082. Its totient is φ = 151445080.
The previous prime is 151445071. The next prime is 151445083. The reversal of 151445081 is 180544151.
151445081 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 can be written as a sum of positive squares in only one way, i.e., 119137225 + 32307856 = 10915^2 + 5684^2 .
It is a cyclic number.
It is not a de Polignac number, because 151445081 - 26 = 151445017 is a prime.
It is a super-2 number, since 2×1514450812 = 45871225118193122, which contains 22 as substring.
Together with 151445083, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (151445083) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75722540 + 75722541.
It is an arithmetic number, because the mean of its divisors is an integer number (75722541).
Almost surely, 2151445081 is an apocalyptic number.
It is an amenable number.
151445081 is a deficient number, since it is larger than the sum of its proper divisors (1).
151445081 is an equidigital number, since it uses as much as digits as its factorization.
151445081 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3200, while the sum is 29.
The square root of 151445081 is about 12306.3024910003. The cubic root of 151445081 is about 533.0300874638.
The spelling of 151445081 in words is "one hundred fifty-one million, four hundred forty-five thousand, eighty-one".
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