Base | Representation |
---|---|
bin | 1011100100001000111000… |
… | …0011011011110011110100 |
3 | 1200000120220010002020111101 |
4 | 2321002032003123303310 |
5 | 3131312304013224142 |
6 | 43013225220015444 |
7 | 2451443415413425 |
oct | 271021603336364 |
9 | 50016803066441 |
10 | 12715486461172 |
11 | 4062675684a40 |
12 | 151441a831584 |
13 | 7130b03ca401 |
14 | 31d60b97764c |
15 | 170b5b87e0b7 |
hex | b908e0dbcf4 |
12715486461172 has 48 divisors (see below), whose sum is σ = 24383175062400. Its totient is φ = 5754067804800.
The previous prime is 12715486461133. The next prime is 12715486461173. The reversal of 12715486461172 is 27116468451721.
12715486461172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×127154864611722 (a number of 27 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12715486461173) 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, 9033498 + ... + 10345774.
It is an arithmetic number, because the mean of its divisors is an integer number (507982813800).
Almost surely, 212715486461172 is an apocalyptic number.
It is an amenable number.
12715486461172 is a deficient number, since it is larger than the sum of its proper divisors (11667688601228).
12715486461172 is a wasteful number, since it uses less digits than its factorization.
12715486461172 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1313272 (or 1313270 counting only the distinct ones).
The product of its digits is 4515840, while the sum is 55.
The spelling of 12715486461172 in words is "twelve trillion, seven hundred fifteen billion, four hundred eighty-six million, four hundred sixty-one thousand, one hundred seventy-two".
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