Base | Representation |
---|---|
bin | 10001101010010… |
… | …01110111101101 |
3 | 101022202220001022 |
4 | 20311021313231 |
5 | 300411324124 |
6 | 22411223525 |
7 | 3446161262 |
oct | 1065116755 |
9 | 338686038 |
10 | 148151789 |
11 | 7669a6a5 |
12 | 41747ba5 |
13 | 249028a6 |
14 | 15967269 |
15 | d016c5e |
hex | 8d49ded |
148151789 has 2 divisors, whose sum is σ = 148151790. Its totient is φ = 148151788.
The previous prime is 148151771. The next prime is 148151791. The reversal of 148151789 is 987151841.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 135606025 + 12545764 = 11645^2 + 3542^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-148151789 is a prime.
Together with 148151791, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (148151489) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74075894 + 74075895.
It is an arithmetic number, because the mean of its divisors is an integer number (74075895).
Almost surely, 2148151789 is an apocalyptic number.
It is an amenable number.
148151789 is a deficient number, since it is larger than the sum of its proper divisors (1).
148151789 is an equidigital number, since it uses as much as digits as its factorization.
148151789 is an evil number, because the sum of its binary digits is even.
The product of its digits is 80640, while the sum is 44.
The square root of 148151789 is about 12171.7619513364. The cubic root of 148151789 is about 529.1380185729.
The spelling of 148151789 in words is "one hundred forty-eight million, one hundred fifty-one thousand, seven hundred eighty-nine".
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