Base | Representation |
---|---|
bin | 101001111011011001… |
… | …110001010110000000 |
3 | 11022012112010021220021 |
4 | 221323121301112000 |
5 | 1214200111314430 |
6 | 32403143223224 |
7 | 3152431623550 |
oct | 517331612600 |
9 | 138175107807 |
10 | 45020026240 |
11 | 181026a4062 |
12 | 8885147b14 |
13 | 43261034a7 |
14 | 22711a3160 |
15 | 128759707a |
hex | a7b671580 |
45020026240 has 128 divisors (see below), whose sum is σ = 123757758720. Its totient is φ = 15340492800.
The previous prime is 45020026211. The next prime is 45020026283. The reversal of 45020026240 is 4262002054.
It is a tau number, because it is divible by the number of its divisors (128).
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 699415 + ... + 761065.
It is an arithmetic number, because the mean of its divisors is an integer number (966857490).
Almost surely, 245020026240 is an apocalyptic number.
45020026240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 45020026240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61878879360).
45020026240 is an abundant number, since it is smaller than the sum of its proper divisors (78737732480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
45020026240 is a wasteful number, since it uses less digits than its factorization.
45020026240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61840 (or 61828 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 25.
Adding to 45020026240 its reverse (4262002054), we get a palindrome (49282028294).
The spelling of 45020026240 in words is "forty-five billion, twenty million, twenty-six thousand, two hundred forty".
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