Base | Representation |
---|---|
bin | 1011110101111011000000… |
… | …0101111100001001110101 |
3 | 1201002210110220010022012121 |
4 | 2331132300011330021311 |
5 | 3201314002024040201 |
6 | 43405433120115541 |
7 | 2512510344500362 |
oct | 275366005741165 |
9 | 51083426108177 |
10 | 13021000221301 |
11 | 41701a2193896 |
12 | 1563682765bb1 |
13 | 735b4b649b77 |
14 | 3303110b5469 |
15 | 178a8d1299a1 |
hex | bd7b017c275 |
13021000221301 has 2 divisors, whose sum is σ = 13021000221302. Its totient is φ = 13021000221300.
The previous prime is 13021000221283. The next prime is 13021000221311. The reversal of 13021000221301 is 10312200012031.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 11937681459025 + 1083318762276 = 3455095^2 + 1040826^2 .
It is an emirp because it is prime and its reverse (10312200012031) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13021000221301 - 217 = 13021000090229 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13021000221311) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6510500110650 + 6510500110651.
It is an arithmetic number, because the mean of its divisors is an integer number (6510500110651).
Almost surely, 213021000221301 is an apocalyptic number.
It is an amenable number.
13021000221301 is a deficient number, since it is larger than the sum of its proper divisors (1).
13021000221301 is an equidigital number, since it uses as much as digits as its factorization.
13021000221301 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 13021000221301 its reverse (10312200012031), we get a palindrome (23333200233332).
The spelling of 13021000221301 in words is "thirteen trillion, twenty-one billion, two hundred twenty-one thousand, three hundred one".
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