Base | Representation |
---|---|
bin | 110010101100001101… |
… | …101101100000101101 |
3 | 12012111020112201221011 |
4 | 302230031231200231 |
5 | 1342432243223424 |
6 | 41000531505221 |
7 | 3634540605025 |
oct | 625415554055 |
9 | 165436481834 |
10 | 54428882989 |
11 | 210a075a428 |
12 | a670158211 |
13 | 51954a6450 |
14 | 28c4a06a85 |
15 | 16385d6694 |
hex | cac36d82d |
54428882989 has 8 divisors (see below), whose sum is σ = 60506550272. Its totient is φ = 48621334320.
The previous prime is 54428882947. The next prime is 54428882993. The reversal of 54428882989 is 98928882445.
54428882989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 54428882989 - 27 = 54428882861 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54428882999) 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, 67529229 + ... + 67530034.
It is an arithmetic number, because the mean of its divisors is an integer number (7563318784).
Almost surely, 254428882989 is an apocalyptic number.
It is an amenable number.
54428882989 is a deficient number, since it is larger than the sum of its proper divisors (6077667283).
54428882989 is a wasteful number, since it uses less digits than its factorization.
54428882989 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 135059307.
The product of its digits is 106168320, while the sum is 67.
The spelling of 54428882989 in words is "fifty-four billion, four hundred twenty-eight million, eight hundred eighty-two thousand, nine hundred eighty-nine".
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