Base | Representation |
---|---|
bin | 1011100010110110011111… |
… | …0001000111011100111101 |
3 | 1122221110210201201110100022 |
4 | 2320231213301013130331 |
5 | 3130432010014213014 |
6 | 42555130420141525 |
7 | 2450031344510450 |
oct | 270554761073475 |
9 | 48843721643308 |
10 | 12693369288509 |
11 | 4054256058848 |
12 | 15100878378a5 |
13 | 710c972013b0 |
14 | 31c510415497 |
15 | 1702b4d07a8e |
hex | b8b67c4773d |
12693369288509 has 16 divisors (see below), whose sum is σ = 16541585319168. Its totient is φ = 9452334465792.
The previous prime is 12693369288343. The next prime is 12693369288517. The reversal of 12693369288509 is 90588296339621.
It is a cyclic number.
It is not a de Polignac number, because 12693369288509 - 240 = 11593857660733 is a prime.
It is a super-2 number, since 2×126933692885092 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12693369288529) 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, 4102574177 + ... + 4102577270.
It is an arithmetic number, because the mean of its divisors is an integer number (1033849082448).
Almost surely, 212693369288509 is an apocalyptic number.
It is an amenable number.
12693369288509 is a deficient number, since it is larger than the sum of its proper divisors (3848216030659).
12693369288509 is a wasteful number, since it uses less digits than its factorization.
12693369288509 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8205151484.
The product of its (nonzero) digits is 302330880, while the sum is 71.
The spelling of 12693369288509 in words is "twelve trillion, six hundred ninety-three billion, three hundred sixty-nine million, two hundred eighty-eight thousand, five hundred nine".
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