Base | Representation |
---|---|
bin | 1100000010001001110011… |
… | …1000011100000001001001 |
3 | 1201211212212021211201201220 |
4 | 3000202130320130001021 |
5 | 3213234324103442301 |
6 | 44050144154432253 |
7 | 2533626524342505 |
oct | 300423470340111 |
9 | 51755767751656 |
10 | 13231131312201 |
11 | 4241322766590 |
12 | 1598347132689 |
13 | 74c8c886468a |
14 | 33a5668c1305 |
15 | 17e28ac03936 |
hex | c089ce1c049 |
13231131312201 has 32 divisors (see below), whose sum is σ = 19850255238528. Its totient is φ = 7768655562240.
The previous prime is 13231131312197. The next prime is 13231131312211. The reversal of 13231131312201 is 10221313113231.
It is not a de Polignac number, because 13231131312201 - 22 = 13231131312197 is a prime.
It is a super-2 number, since 2×132311313122012 (a number of 27 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (13231131312211) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22969386 + ... + 23538371.
It is an arithmetic number, because the mean of its divisors is an integer number (620320476204).
Almost surely, 213231131312201 is an apocalyptic number.
13231131312201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
13231131312201 is a deficient number, since it is larger than the sum of its proper divisors (6619123926327).
13231131312201 is a wasteful number, since it uses less digits than its factorization.
13231131312201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46508041.
The product of its (nonzero) digits is 648, while the sum is 24.
Adding to 13231131312201 its reverse (10221313113231), we get a palindrome (23452444425432).
The spelling of 13231131312201 in words is "thirteen trillion, two hundred thirty-one billion, one hundred thirty-one million, three hundred twelve thousand, two hundred one".
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