Base | Representation |
---|---|
bin | 1101010100010101… |
… | …10110000011110101 |
3 | 200110021212102112020 |
4 | 12222022312003311 |
5 | 104120340440020 |
6 | 3141251543353 |
7 | 342116314020 |
oct | 65212660365 |
9 | 20407772466 |
10 | 7149936885 |
11 | 3039a53453 |
12 | 14765bab59 |
13 | 89c3b21b0 |
14 | 4bb82a1b7 |
15 | 2bca84c40 |
hex | 1aa2b60f5 |
7149936885 has 32 divisors (see below), whose sum is σ = 14079878400. Its totient is φ = 3017115648.
The previous prime is 7149936851. The next prime is 7149936887. The reversal of 7149936885 is 5886399417.
7149936885 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 7149936885 - 29 = 7149936373 is a prime.
It is a super-2 number, since 2×71499368852 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7149936887) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2617660 + ... + 2620389.
It is an arithmetic number, because the mean of its divisors is an integer number (439996200).
Almost surely, 27149936885 is an apocalyptic number.
It is an amenable number.
7149936885 is a deficient number, since it is larger than the sum of its proper divisors (6929941515).
7149936885 is a wasteful number, since it uses less digits than its factorization.
7149936885 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5238077.
The product of its digits is 13063680, while the sum is 60.
The square root of 7149936885 is about 84557.2994187965. The cubic root of 7149936885 is about 1926.4928553581.
The spelling of 7149936885 in words is "seven billion, one hundred forty-nine million, nine hundred thirty-six thousand, eight hundred eighty-five".
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