Base | Representation |
---|---|
bin | 101010011101011011… |
… | …111000011001101101 |
3 | 11100200022112000012122 |
4 | 222131123320121231 |
5 | 1221332244123111 |
6 | 32535541242325 |
7 | 3202534101200 |
oct | 523533703155 |
9 | 140608460178 |
10 | 45591004781 |
11 | 18375a2a753 |
12 | 8a044033a5 |
13 | 43b74aa60a |
14 | 22c6d53937 |
15 | 12bc780cdb |
hex | a9d6f866d |
45591004781 has 12 divisors (see below), whose sum is σ = 53903854620. Its totient is φ = 38437378560.
The previous prime is 45591004751. The next prime is 45591004783. The reversal of 45591004781 is 18740019554.
It can be written as a sum of positive squares in 2 ways, for example, as 5474520100 + 40116484681 = 73990^2 + 200291^2 .
It is not a de Polignac number, because 45591004781 - 214 = 45590988397 is a prime.
It is a super-2 number, since 2×455910047812 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (45591004783) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7623476 + ... + 7629453.
It is an arithmetic number, because the mean of its divisors is an integer number (4491987885).
Almost surely, 245591004781 is an apocalyptic number.
It is an amenable number.
45591004781 is a deficient number, since it is larger than the sum of its proper divisors (8312849839).
45591004781 is a wasteful number, since it uses less digits than its factorization.
45591004781 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15253004 (or 15252997 counting only the distinct ones).
The product of its (nonzero) digits is 201600, while the sum is 44.
The spelling of 45591004781 in words is "forty-five billion, five hundred ninety-one million, four thousand, seven hundred eighty-one".
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