Base | Representation |
---|---|
bin | 10111001110101101… |
… | …01100010010001101 |
3 | 1012012011011210002010 |
4 | 23213112230102031 |
5 | 201020140420140 |
6 | 5421305451433 |
7 | 621024215130 |
oct | 134726542215 |
9 | 35164153063 |
10 | 12471420045 |
11 | 531a878517 |
12 | 25007a0b79 |
13 | 1239a210b6 |
14 | 864494217 |
15 | 4ced40880 |
hex | 2e75ac48d |
12471420045 has 16 divisors (see below), whose sum is σ = 22804882560. Its totient is φ = 5701220544.
The previous prime is 12471420011. The next prime is 12471420067. The reversal of 12471420045 is 54002417421.
It is not a de Polignac number, because 12471420045 - 26 = 12471419981 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12471419994 and 12471420021.
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, 59387610 + ... + 59387819.
It is an arithmetic number, because the mean of its divisors is an integer number (1425305160).
Almost surely, 212471420045 is an apocalyptic number.
12471420045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12471420045 is a deficient number, since it is larger than the sum of its proper divisors (10333462515).
12471420045 is a wasteful number, since it uses less digits than its factorization.
12471420045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 118775444.
The product of its (nonzero) digits is 8960, while the sum is 30.
Adding to 12471420045 its reverse (54002417421), we get a palindrome (66473837466).
The spelling of 12471420045 in words is "twelve billion, four hundred seventy-one million, four hundred twenty thousand, forty-five".
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