Base | Representation |
---|---|
bin | 101010010101010101… |
… | …011001001000000001 |
3 | 11100022211202121210201 |
4 | 222111111121020001 |
5 | 1221043000223311 |
6 | 32514244125201 |
7 | 3166263566566 |
oct | 522525311001 |
9 | 140284677721 |
10 | 45455086081 |
11 | 18306235a49 |
12 | 8986996801 |
13 | 439529bb52 |
14 | 22b2c9286d |
15 | 12b08839c1 |
hex | a95559201 |
45455086081 has 4 divisors (see below), whose sum is σ = 48128914692. Its totient is φ = 42781257472.
The previous prime is 45455086073. The next prime is 45455086109. The reversal of 45455086081 is 18068055454.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 17209241856 + 28245844225 = 131184^2 + 168065^2 .
It is a cyclic number.
It is not a de Polignac number, because 45455086081 - 23 = 45455086073 is a prime.
It is a super-2 number, since 2×454550860812 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (45455086051) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1336914280 + ... + 1336914313.
It is an arithmetic number, because the mean of its divisors is an integer number (12032228673).
Almost surely, 245455086081 is an apocalyptic number.
It is an amenable number.
45455086081 is a deficient number, since it is larger than the sum of its proper divisors (2673828611).
45455086081 is a wasteful number, since it uses less digits than its factorization.
45455086081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2673828610.
The product of its (nonzero) digits is 768000, while the sum is 46.
The spelling of 45455086081 in words is "forty-five billion, four hundred fifty-five million, eighty-six thousand, eighty-one".
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