Base | Representation |
---|---|
bin | 110011001101100111… |
… | …000111000100101010 |
3 | 12020221021212020212010 |
4 | 303031213013010222 |
5 | 1400104213030133 |
6 | 41132305100350 |
7 | 3654453253332 |
oct | 631547070452 |
9 | 166837766763 |
10 | 54989189418 |
11 | 21358a66999 |
12 | a7a79276b6 |
13 | 52545b4b07 |
14 | 29391ba0c2 |
15 | 166c8b3263 |
hex | ccd9c712a |
54989189418 has 16 divisors (see below), whose sum is σ = 109982000160. Its totient is φ = 18329126256.
The previous prime is 54989189401. The next prime is 54989189419. The reversal of 54989189418 is 81498198945.
54989189418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (54989189419) 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, 71796 + ... + 339312.
It is an arithmetic number, because the mean of its divisors is an integer number (6873875010).
Almost surely, 254989189418 is an apocalyptic number.
54989189418 is an abundant number, since it is smaller than the sum of its proper divisors (54992810742).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54989189418 is a wasteful number, since it uses less digits than its factorization.
54989189418 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 301781.
The product of its digits is 29859840, while the sum is 66.
The spelling of 54989189418 in words is "fifty-four billion, nine hundred eighty-nine million, one hundred eighty-nine thousand, four hundred eighteen".
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