Base | Representation |
---|---|
bin | 10111100101001100… |
… | …10000110100110110 |
3 | 1012200022010020110012 |
4 | 23302212100310312 |
5 | 201411433120004 |
6 | 5452124500222 |
7 | 625504442264 |
oct | 136246206466 |
9 | 35608106405 |
10 | 12660051254 |
11 | 54072a5984 |
12 | 25539aa672 |
13 | 1269b277b6 |
14 | 881557434 |
15 | 4e16a146e |
hex | 2f2990d36 |
12660051254 has 16 divisors (see below), whose sum is σ = 19234176192. Its totient is φ = 6248780808.
The previous prime is 12660051169. The next prime is 12660051269. The reversal of 12660051254 is 45215006621.
12660051254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 12660051254.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183257 + ... + 242699.
It is an arithmetic number, because the mean of its divisors is an integer number (1202136012).
Almost surely, 212660051254 is an apocalyptic number.
12660051254 is a deficient number, since it is larger than the sum of its proper divisors (6574124938).
12660051254 is a wasteful number, since it uses less digits than its factorization.
12660051254 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60811.
The product of its (nonzero) digits is 14400, while the sum is 32.
Adding to 12660051254 its reverse (45215006621), we get a palindrome (57875057875).
The spelling of 12660051254 in words is "twelve billion, six hundred sixty million, fifty-one thousand, two hundred fifty-four".
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