Base | Representation |
---|---|
bin | 11000011100111101… |
… | …10111011110101000 |
3 | 1020212220102010021001 |
4 | 30032132313132220 |
5 | 203341213440342 |
6 | 10010355524344 |
7 | 643215043336 |
oct | 141636673650 |
9 | 36786363231 |
10 | 13127874472 |
11 | 5627385439 |
12 | 26645b96b4 |
13 | 1312a24b7b |
14 | 8c7734b56 |
15 | 51c7b08b7 |
hex | 30e7b77a8 |
13127874472 has 8 divisors (see below), whose sum is σ = 24614764650. Its totient is φ = 6563937232.
The previous prime is 13127874439. The next prime is 13127874479. The reversal of 13127874472 is 27447872131.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 12783920356 + 343954116 = 113066^2 + 18546^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (13127874479) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820492147 + ... + 820492162.
Almost surely, 213127874472 is an apocalyptic number.
It is an amenable number.
13127874472 is a deficient number, since it is larger than the sum of its proper divisors (11486890178).
13127874472 is a wasteful number, since it uses less digits than its factorization.
13127874472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1640984315 (or 1640984311 counting only the distinct ones).
The product of its digits is 526848, while the sum is 46.
The spelling of 13127874472 in words is "thirteen billion, one hundred twenty-seven million, eight hundred seventy-four thousand, four hundred seventy-two".
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