Base | Representation |
---|---|
bin | 101001111100110111… |
… | …100100011011011110 |
3 | 11022021020101112011120 |
4 | 221330313210123132 |
5 | 1214222410134003 |
6 | 32405422231410 |
7 | 3153150623544 |
oct | 517467443336 |
9 | 138236345146 |
10 | 45044614878 |
11 | 1811556894a |
12 | 8891425566 |
13 | 432b232393 |
14 | 2274563d94 |
15 | 1289802853 |
hex | a7cde46de |
45044614878 has 16 divisors (see below), whose sum is σ = 93195755280. Its totient is φ = 14497117376.
The previous prime is 45044614877. The next prime is 45044614913. The reversal of 45044614878 is 87841644054.
It is a self number, because there is not a number n which added to its sum of digits gives 45044614878.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (45044614873) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129438375 + ... + 129438722.
It is an arithmetic number, because the mean of its divisors is an integer number (5824734705).
Almost surely, 245044614878 is an apocalyptic number.
45044614878 is an abundant number, since it is smaller than the sum of its proper divisors (48151140402).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
45044614878 is a wasteful number, since it uses less digits than its factorization.
45044614878 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 258877131.
The product of its (nonzero) digits is 3440640, while the sum is 51.
The spelling of 45044614878 in words is "forty-five billion, forty-four million, six hundred fourteen thousand, eight hundred seventy-eight".
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