Base | Representation |
---|---|
bin | 1111110001011… |
… | …0011011011001 |
3 | 11121110212200202 |
4 | 3330112123121 |
5 | 113413332103 |
6 | 10321511545 |
7 | 1432166264 |
oct | 374263331 |
9 | 147425622 |
10 | 66152153 |
11 | 34383101 |
12 | 1a1a25b5 |
13 | 109222b2 |
14 | 8addcdb |
15 | 5c1a988 |
hex | 3f166d9 |
66152153 has 2 divisors, whose sum is σ = 66152154. Its totient is φ = 66152152.
The previous prime is 66152111. The next prime is 66152159. The reversal of 66152153 is 35125166.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 50879689 + 15272464 = 7133^2 + 3908^2 .
It is a cyclic number.
It is not a de Polignac number, because 66152153 - 222 = 61957849 is a prime.
It is a super-2 number, since 2×661521532 = 8752214693070818, which contains 22 as substring.
It is a Sophie Germain prime.
It is a Curzon number.
It is equal to p3904571 and since 66152153 and 3904571 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 (66152159) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33076076 + 33076077.
It is an arithmetic number, because the mean of its divisors is an integer number (33076077).
Almost surely, 266152153 is an apocalyptic number.
It is an amenable number.
66152153 is a deficient number, since it is larger than the sum of its proper divisors (1).
66152153 is an equidigital number, since it uses as much as digits as its factorization.
66152153 is an evil number, because the sum of its binary digits is even.
The product of its digits is 5400, while the sum is 29.
The square root of 66152153 is about 8133.3973836276. The cubic root of 66152153 is about 404.4343126115.
The spelling of 66152153 in words is "sixty-six million, one hundred fifty-two thousand, one hundred fifty-three".
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