Base | Representation |
---|---|
bin | 110010101001110001… |
… | …100000101100011001 |
3 | 12012101101111102020221 |
4 | 302221301200230121 |
5 | 1342341302423100 |
6 | 40552510120041 |
7 | 3633532554103 |
oct | 625161405431 |
9 | 165341442227 |
10 | 54387936025 |
11 | 2107a632365 |
12 | a65a4b0021 |
13 | 5189b6a887 |
14 | 28bd3c8573 |
15 | 1634be901a |
hex | ca9c60b19 |
54387936025 has 12 divisors (see below), whose sum is σ = 69085945404. Its totient is φ = 42449120000.
The previous prime is 54387936007. The next prime is 54387936047. The reversal of 54387936025 is 52063978345.
It can be written as a sum of positive squares in 6 ways, for example, as 234457344 + 54153478681 = 15312^2 + 232709^2 .
It is not a de Polignac number, because 54387936025 - 27 = 54387935897 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26529676 + ... + 26531725.
It is an arithmetic number, because the mean of its divisors is an integer number (5757162117).
Almost surely, 254387936025 is an apocalyptic number.
It is an amenable number.
54387936025 is a deficient number, since it is larger than the sum of its proper divisors (14698009379).
54387936025 is a wasteful number, since it uses less digits than its factorization.
54387936025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53061452 (or 53061447 counting only the distinct ones).
The product of its (nonzero) digits is 5443200, while the sum is 52.
The spelling of 54387936025 in words is "fifty-four billion, three hundred eighty-seven million, nine hundred thirty-six thousand, twenty-five".
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