Base | Representation |
---|---|
bin | 10111101110001101… |
… | …00000011010011010 |
3 | 1012212120022011002110 |
4 | 23313012200122122 |
5 | 202040304100240 |
6 | 5503424213150 |
7 | 630412630542 |
oct | 136706403232 |
9 | 35776264073 |
10 | 12735612570 |
11 | 5445a1524a |
12 | 257516a1b6 |
13 | 127c692735 |
14 | 88b5c6322 |
15 | 4e8129c80 |
hex | 2f71a069a |
12735612570 has 16 divisors (see below), whose sum is σ = 30565470240. Its totient is φ = 3396163344.
The previous prime is 12735612569. The next prime is 12735612583. The reversal of 12735612570 is 7521653721.
It is a happy number.
12735612570 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Curzon 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, 212260180 + ... + 212260239.
It is an arithmetic number, because the mean of its divisors is an integer number (1910341890).
Almost surely, 212735612570 is an apocalyptic number.
12735612570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12735612570 is an abundant number, since it is smaller than the sum of its proper divisors (17829857670).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12735612570 is a wasteful number, since it uses less digits than its factorization.
12735612570 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 424520429.
The product of its (nonzero) digits is 88200, while the sum is 39.
The spelling of 12735612570 in words is "twelve billion, seven hundred thirty-five million, six hundred twelve thousand, five hundred seventy".
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