Base | Representation |
---|---|
bin | 10111011000100110… |
… | …10010011111011111 |
3 | 1012101221100022110001 |
4 | 23230103102133133 |
5 | 201202412222142 |
6 | 5433432355131 |
7 | 623052521140 |
oct | 135423223737 |
9 | 35357308401 |
10 | 12554414047 |
11 | 53627040aa |
12 | 2524545aa7 |
13 | 1250c8c186 |
14 | 8714d9ac7 |
15 | 4d72865b7 |
hex | 2ec4d27df |
12554414047 has 16 divisors (see below), whose sum is σ = 14975631360. Its totient is φ = 10290373632.
The previous prime is 12554414023. The next prime is 12554414063. The reversal of 12554414047 is 74041445521.
It is not a de Polignac number, because 12554414047 - 219 = 12553889759 is a prime.
It is a super-2 number, since 2×125544140472 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12554413997 and 12554414015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12554414077) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 816543 + ... + 831775.
It is an arithmetic number, because the mean of its divisors is an integer number (935976960).
Almost surely, 212554414047 is an apocalyptic number.
12554414047 is a deficient number, since it is larger than the sum of its proper divisors (2421217313).
12554414047 is a wasteful number, since it uses less digits than its factorization.
12554414047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20382.
The product of its (nonzero) digits is 89600, while the sum is 37.
Adding to 12554414047 its reverse (74041445521), we get a palindrome (86595859568).
The spelling of 12554414047 in words is "twelve billion, five hundred fifty-four million, four hundred fourteen thousand, forty-seven".
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