Base | Representation |
---|---|
bin | 10011000110110110001… |
… | …101110100011110101101 |
3 | 11122112010202201202010210 |
4 | 103012312031310132231 |
5 | 133003032124221141 |
6 | 2443105524253033 |
7 | 163601624466552 |
oct | 23066615643655 |
9 | 4575122652123 |
10 | 1313022101421 |
11 | 466938822788 |
12 | 192580541179 |
13 | 96a81c36bb4 |
14 | 4779cc28a29 |
15 | 2424c290916 |
hex | 131b63747ad |
1313022101421 has 16 divisors (see below), whose sum is σ = 1755977784320. Its totient is φ = 872710478640.
The previous prime is 1313022101381. The next prime is 1313022101441. The reversal of 1313022101421 is 1241012203131.
It is not a de Polignac number, because 1313022101421 - 29 = 1313022100909 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1313022101441) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1222890 + ... + 2030148.
It is an arithmetic number, because the mean of its divisors is an integer number (109748611520).
Almost surely, 21313022101421 is an apocalyptic number.
It is an amenable number.
1313022101421 is a deficient number, since it is larger than the sum of its proper divisors (442955682899).
1313022101421 is a wasteful number, since it uses less digits than its factorization.
1313022101421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 808896.
The product of its (nonzero) digits is 288, while the sum is 21.
Adding to 1313022101421 its reverse (1241012203131), we get a palindrome (2554034304552).
The spelling of 1313022101421 in words is "one trillion, three hundred thirteen billion, twenty-two million, one hundred one thousand, four hundred twenty-one".
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