Base | Representation |
---|---|
bin | 11000011101000100… |
… | …00100001101010110 |
3 | 1020212221222201120100 |
4 | 30032202010031112 |
5 | 203341422304141 |
6 | 10010425514530 |
7 | 643225135221 |
oct | 141642041526 |
9 | 36787881510 |
10 | 13128713046 |
11 | 56278a8479 |
12 | 2664942a46 |
13 | 1312c59777 |
14 | 8c78b25b8 |
15 | 51c8c90b6 |
hex | 30e884356 |
13128713046 has 48 divisors (see below), whose sum is σ = 30128014800. Its totient is φ = 4117553664.
The previous prime is 13128713027. The next prime is 13128713077. The reversal of 13128713046 is 64031782131.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 13128713046.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1933285 + ... + 1940063.
It is an arithmetic number, because the mean of its divisors is an integer number (627666975).
Almost surely, 213128713046 is an apocalyptic number.
13128713046 is an abundant number, since it is smaller than the sum of its proper divisors (16999301754).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13128713046 is a wasteful number, since it uses less digits than its factorization.
13128713046 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13133 (or 13130 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
The spelling of 13128713046 in words is "thirteen billion, one hundred twenty-eight million, seven hundred thirteen thousand, forty-six".
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