Base | Representation |
---|---|
bin | 10110011100111110… |
… | …01001010000001111 |
3 | 1011010002010002020220 |
4 | 23032133021100033 |
5 | 144141334033310 |
6 | 5312043242423 |
7 | 604500025065 |
oct | 131637112017 |
9 | 34102102226 |
10 | 12054205455 |
11 | 5126314a76 |
12 | 2404b19413 |
13 | 11a1463166 |
14 | 824ccc035 |
15 | 4a83cb670 |
hex | 2ce7c940f |
12054205455 has 16 divisors (see below), whose sum is σ = 19289464800. Its totient is φ = 6427997568.
The previous prime is 12054205379. The next prime is 12054205477. The reversal of 12054205455 is 55450245021.
It is not a de Polignac number, because 12054205455 - 27 = 12054205327 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60009 + ... + 166461.
It is an arithmetic number, because the mean of its divisors is an integer number (1205591550).
Almost surely, 212054205455 is an apocalyptic number.
12054205455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12054205455 is a deficient number, since it is larger than the sum of its proper divisors (7235259345).
12054205455 is a wasteful number, since it uses less digits than its factorization.
12054205455 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 114010.
The product of its (nonzero) digits is 40000, while the sum is 33.
The spelling of 12054205455 in words is "twelve billion, fifty-four million, two hundred five thousand, four hundred fifty-five".
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