Base | Representation |
---|---|
bin | 10111101110111001… |
… | …11010011100000100 |
3 | 1012212222100120101111 |
4 | 23313130322130010 |
5 | 202043310030330 |
6 | 5504154134404 |
7 | 630513563332 |
oct | 136734723404 |
9 | 35788316344 |
10 | 12741486340 |
11 | 5449267300 |
12 | 2577121404 |
13 | 128096b13b |
14 | 88c2b4b52 |
15 | 4e88da32a |
hex | 2f773a704 |
12741486340 has 36 divisors (see below), whose sum is σ = 29410725708. Its totient is φ = 4633266880.
The previous prime is 12741486337. The next prime is 12741486343. The reversal of 12741486340 is 4368414721.
It is an interprime number because it is at equal distance from previous prime (12741486337) and next prime (12741486343).
It can be written as a sum of positive squares in 2 ways, for example, as 8420264644 + 4321221696 = 91762^2 + 65736^2 .
It is a junction number, because it is equal to n+sod(n) for n = 12741486293 and 12741486302.
It is not an unprimeable number, because it can be changed into a prime (12741486343) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2630119 + ... + 2634958.
It is an arithmetic number, because the mean of its divisors is an integer number (816964603).
Almost surely, 212741486340 is an apocalyptic number.
12741486340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12741486340 is an abundant number, since it is smaller than the sum of its proper divisors (16669239368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12741486340 is a wasteful number, since it uses less digits than its factorization.
12741486340 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5265108 (or 5265095 counting only the distinct ones).
The product of its (nonzero) digits is 129024, while the sum is 40.
The spelling of 12741486340 in words is "twelve billion, seven hundred forty-one million, four hundred eighty-six thousand, three hundred forty".
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