Base | Representation |
---|---|
bin | 110010010101110011111100… |
… | …100011110100110100001101 |
3 | 1002000220202020002121002001001 |
4 | 302111303330203310310031 |
5 | 213004414140111032023 |
6 | 2102514151251220301 |
7 | 64430465262045055 |
oct | 6225637443646415 |
9 | 1060822202532031 |
10 | 221401211424013 |
11 | 645aa7a9a27445 |
12 | 209b90558a7691 |
13 | 9670077140a0a |
14 | 3c95c39312565 |
15 | 1a8e2485ca6ad |
hex | c95cfc8f4d0d |
221401211424013 has 8 divisors (see below), whose sum is σ = 231030603504000. Its totient is φ = 211772090381808.
The previous prime is 221401211423999. The next prime is 221401211424031. The reversal of 221401211424013 is 310424112104122.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 221401211424013 - 25 = 221401211423981 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (221401211424053) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66089313 + ... + 69358486.
It is an arithmetic number, because the mean of its divisors is an integer number (28878825438000).
Almost surely, 2221401211424013 is an apocalyptic number.
221401211424013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
It is an amenable number.
221401211424013 is a deficient number, since it is larger than the sum of its proper divisors (9629392079987).
221401211424013 is a wasteful number, since it uses less digits than its factorization.
221401211424013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 135518891.
The product of its (nonzero) digits is 3072, while the sum is 28.
Adding to 221401211424013 its reverse (310424112104122), we get a palindrome (531825323528135).
The spelling of 221401211424013 in words is "two hundred twenty-one trillion, four hundred one billion, two hundred eleven million, four hundred twenty-four thousand, thirteen".
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