Base | Representation |
---|---|
bin | 10110010100001111… |
… | …01100111001100101 |
3 | 1010220222021101020011 |
4 | 23022013230321211 |
5 | 144014110414031 |
6 | 5300505210221 |
7 | 602620255465 |
oct | 131207547145 |
9 | 33828241204 |
10 | 11980951141 |
11 | 5098a30a15 |
12 | 23a4490971 |
13 | 118c225303 |
14 | 81929dba5 |
15 | 4a1c5b6b1 |
hex | 2ca1ece65 |
11980951141 has 2 divisors, whose sum is σ = 11980951142. Its totient is φ = 11980951140.
The previous prime is 11980951139. The next prime is 11980951193. The reversal of 11980951141 is 14115908911.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 10384629025 + 1596322116 = 101905^2 + 39954^2 .
It is a cyclic number.
It is not a de Polignac number, because 11980951141 - 21 = 11980951139 is a prime.
Together with 11980951139, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 11980951094 and 11980951103.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (11980957141) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5990475570 + 5990475571.
It is an arithmetic number, because the mean of its divisors is an integer number (5990475571).
Almost surely, 211980951141 is an apocalyptic number.
It is an amenable number.
11980951141 is a deficient number, since it is larger than the sum of its proper divisors (1).
11980951141 is an equidigital number, since it uses as much as digits as its factorization.
11980951141 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 12960, while the sum is 40.
The spelling of 11980951141 in words is "eleven billion, nine hundred eighty million, nine hundred fifty-one thousand, one hundred forty-one".
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