Base | Representation |
---|---|
bin | 10001101001111010001… |
… | …010011011100001101101 |
3 | 11021222120002220121120020 |
4 | 101221322022123201231 |
5 | 124334143431111023 |
6 | 2325203400312353 |
7 | 153436656445410 |
oct | 21517212334155 |
9 | 4258502817506 |
10 | 1213230332013 |
11 | 428589991387 |
12 | 1771704726b9 |
13 | 8a53a603b2b |
14 | 42a136cdb77 |
15 | 2185b488de3 |
hex | 11a7a29b86d |
1213230332013 has 32 divisors (see below), whose sum is σ = 1908612710400. Its totient is φ = 670824910080.
The previous prime is 1213230332009. The next prime is 1213230332021. The reversal of 1213230332013 is 3102330323121.
It is not a de Polignac number, because 1213230332013 - 22 = 1213230332009 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1213230322013) 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, 5149413 + ... + 5379861.
It is an arithmetic number, because the mean of its divisors is an integer number (59644147200).
Almost surely, 21213230332013 is an apocalyptic number.
It is an amenable number.
1213230332013 is a deficient number, since it is larger than the sum of its proper divisors (695382378387).
1213230332013 is a wasteful number, since it uses less digits than its factorization.
1213230332013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 238577.
The product of its (nonzero) digits is 1944, while the sum is 24.
Adding to 1213230332013 its reverse (3102330323121), we get a palindrome (4315560655134).
The spelling of 1213230332013 in words is "one trillion, two hundred thirteen billion, two hundred thirty million, three hundred thirty-two thousand, thirteen".
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