Base | Representation |
---|---|
bin | 1100000100100000110010… |
… | …1111001001101000000111 |
3 | 1201222202110222200002012101 |
4 | 3001020030233021220013 |
5 | 3214420331113201211 |
6 | 44120530113332531 |
7 | 2536563113022121 |
oct | 301101457115007 |
9 | 51882428602171 |
10 | 13271662631431 |
11 | 4257531622626 |
12 | 15a4178b67147 |
13 | 753687a165c9 |
14 | 33c4cd878211 |
15 | 18035e18d5c1 |
hex | c120cbc9a07 |
13271662631431 has 64 divisors (see below), whose sum is σ = 15328787742720. Its totient is φ = 11407141025280.
The previous prime is 13271662631419. The next prime is 13271662631441. The reversal of 13271662631431 is 13413626617231.
It is a cyclic number.
It is not a de Polignac number, because 13271662631431 - 223 = 13271654242823 is a prime.
It is a super-2 number, since 2×132716626314312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13271662631441) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6625891476 + ... + 6625893478.
It is an arithmetic number, because the mean of its divisors is an integer number (239512308480).
Almost surely, 213271662631431 is an apocalyptic number.
13271662631431 is a deficient number, since it is larger than the sum of its proper divisors (2057125111289).
13271662631431 is a wasteful number, since it uses less digits than its factorization.
13271662631431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4324.
The product of its digits is 653184, while the sum is 46.
The spelling of 13271662631431 in words is "thirteen trillion, two hundred seventy-one billion, six hundred sixty-two million, six hundred thirty-one thousand, four hundred thirty-one".
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