Base | Representation |
---|---|
bin | 110000000001001111… |
… | …1111001101100000011 |
3 | 100212011200121021211222 |
4 | 1200002133321230003 |
5 | 3142143002213131 |
6 | 115212335425255 |
7 | 10310303106362 |
oct | 1400237715403 |
9 | 325150537758 |
10 | 103121132291 |
11 | 3a808210a81 |
12 | 17b9b08522b |
13 | 9955326398 |
14 | 4dc37997d9 |
15 | 2a3825987b |
hex | 18027f9b03 |
103121132291 has 2 divisors, whose sum is σ = 103121132292. Its totient is φ = 103121132290.
The previous prime is 103121132267. The next prime is 103121132299. The reversal of 103121132291 is 192231121301.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 103121132291 - 226 = 103054023427 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 103121132291.
It is not a weakly prime, because it can be changed into another prime (103121132299) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51560566145 + 51560566146.
It is an arithmetic number, because the mean of its divisors is an integer number (51560566146).
Almost surely, 2103121132291 is an apocalyptic number.
103121132291 is a deficient number, since it is larger than the sum of its proper divisors (1).
103121132291 is an equidigital number, since it uses as much as digits as its factorization.
103121132291 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 648, while the sum is 26.
Adding to 103121132291 its reverse (192231121301), we get a palindrome (295352253592).
The spelling of 103121132291 in words is "one hundred three billion, one hundred twenty-one million, one hundred thirty-two thousand, two hundred ninety-one".
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