Base | Representation |
---|---|
bin | 10111100110100101… |
… | …10100000111101011 |
3 | 1012201010002120220002 |
4 | 23303102310013223 |
5 | 201422430331110 |
6 | 5453223053215 |
7 | 626005633460 |
oct | 136322640753 |
9 | 35633076802 |
10 | 12671730155 |
11 | 5412952467 |
12 | 25578a120b |
13 | 126c3865a6 |
14 | 882d17667 |
15 | 4e270baa5 |
hex | 2f34b41eb |
12671730155 has 16 divisors (see below), whose sum is σ = 17382859200. Its totient is φ = 8686943232.
The previous prime is 12671730139. The next prime is 12671730161. The reversal of 12671730155 is 55103717621.
It is a cyclic number.
It is not a de Polignac number, because 12671730155 - 24 = 12671730139 is a prime.
It is a super-2 number, since 2×126717301552 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 97007 + ... + 186423.
It is an arithmetic number, because the mean of its divisors is an integer number (1086428700).
Almost surely, 212671730155 is an apocalyptic number.
12671730155 is a deficient number, since it is larger than the sum of its proper divisors (4711129045).
12671730155 is an equidigital number, since it uses as much as digits as its factorization.
12671730155 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 93478.
The product of its (nonzero) digits is 44100, while the sum is 38.
The spelling of 12671730155 in words is "twelve billion, six hundred seventy-one million, seven hundred thirty thousand, one hundred fifty-five".
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