Base | Representation |
---|---|
bin | 1010100101100011101… |
… | …1101111001000000011 |
3 | 122101110120120220112011 |
4 | 2221120323233020003 |
5 | 10434442423242323 |
6 | 215315502113351 |
7 | 16066113164662 |
oct | 2513073571003 |
9 | 571416526464 |
10 | 181880680963 |
11 | 701539a2673 |
12 | 2b2bb57b857 |
13 | 141c7472917 |
14 | 8b358b4dd9 |
15 | 4ae789c20d |
hex | 2a58eef203 |
181880680963 has 2 divisors, whose sum is σ = 181880680964. Its totient is φ = 181880680962.
The previous prime is 181880680937. The next prime is 181880681027. The reversal of 181880680963 is 369086088181.
181880680963 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 181880680963 - 25 = 181880680931 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 181880680898 and 181880680907.
It is not a weakly prime, because it can be changed into another prime (181880680913) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90940340481 + 90940340482.
It is an arithmetic number, because the mean of its divisors is an integer number (90940340482).
Almost surely, 2181880680963 is an apocalyptic number.
181880680963 is a deficient number, since it is larger than the sum of its proper divisors (1).
181880680963 is an equidigital number, since it uses as much as digits as its factorization.
181880680963 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3981312, while the sum is 58.
The spelling of 181880680963 in words is "one hundred eighty-one billion, eight hundred eighty million, six hundred eighty thousand, nine hundred sixty-three".
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