Base | Representation |
---|---|
bin | 10010000001101… |
… | …10001111000001 |
3 | 101112112121211221 |
4 | 21000312033001 |
5 | 302202421324 |
6 | 23001035041 |
7 | 3514216102 |
oct | 1100661701 |
9 | 345477757 |
10 | 151217089 |
11 | 783a3701 |
12 | 42785a81 |
13 | 25436b8a |
14 | 161243a9 |
15 | d4200e4 |
hex | 90363c1 |
151217089 has 2 divisors, whose sum is σ = 151217090. Its totient is φ = 151217088.
The previous prime is 151217071. The next prime is 151217123. The reversal of 151217089 is 980712151.
It is a happy number.
It is an a-pointer prime, because the next prime (151217123) can be obtained adding 151217089 to its sum of digits (34).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 149817600 + 1399489 = 12240^2 + 1183^2 .
It is a cyclic number.
It is not a de Polignac number, because 151217089 - 29 = 151216577 is a prime.
It is equal to p8508913 and since 151217089 and 8508913 have the same sum of digits, it is a Honaker prime.
It is not a weakly prime, because it can be changed into another prime (151217069) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75608544 + 75608545.
It is an arithmetic number, because the mean of its divisors is an integer number (75608545).
Almost surely, 2151217089 is an apocalyptic number.
It is an amenable number.
151217089 is a deficient number, since it is larger than the sum of its proper divisors (1).
151217089 is an equidigital number, since it uses as much as digits as its factorization.
151217089 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 5040, while the sum is 34.
The square root of 151217089 is about 12297.0357810328. The cubic root of 151217089 is about 532.7624709131.
The spelling of 151217089 in words is "one hundred fifty-one million, two hundred seventeen thousand, eighty-nine".
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