Base | Representation |
---|---|
bin | 110011011111001111… |
… | …001110011010100101 |
3 | 12021200220022211002210 |
4 | 303133033032122211 |
5 | 1401210414333200 |
6 | 41221511354033 |
7 | 3665004022506 |
oct | 633717163245 |
9 | 167626284083 |
10 | 55284917925 |
11 | 2149a993116 |
12 | a86a982919 |
13 | 52a09485b3 |
14 | 296659abad |
15 | 168882b650 |
hex | cdf3ce6a5 |
55284917925 has 24 divisors (see below), whose sum is σ = 92309404320. Its totient is φ = 29193352000.
The previous prime is 55284917911. The next prime is 55284917957. The reversal of 55284917925 is 52971948255.
It is not a de Polignac number, because 55284917925 - 27 = 55284917797 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3641595 + ... + 3656744.
It is an arithmetic number, because the mean of its divisors is an integer number (3846225180).
Almost surely, 255284917925 is an apocalyptic number.
It is an amenable number.
55284917925 is a deficient number, since it is larger than the sum of its proper divisors (37024486395).
55284917925 is a wasteful number, since it uses less digits than its factorization.
55284917925 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7298453 (or 7298448 counting only the distinct ones).
The product of its digits is 9072000, while the sum is 57.
The spelling of 55284917925 in words is "fifty-five billion, two hundred eighty-four million, nine hundred seventeen thousand, nine hundred twenty-five".
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