Base | Representation |
---|---|
bin | 1100100010000… |
… | …00000010001001 |
3 | 21022210122100221 |
4 | 12101000002021 |
5 | 203402314011 |
6 | 14233030041 |
7 | 2414334646 |
oct | 621000211 |
9 | 238718327 |
10 | 105119881 |
11 | 54379139 |
12 | 2b255321 |
13 | 18a17019 |
14 | dd64dcd |
15 | 9366971 |
hex | 6440089 |
105119881 has 2 divisors, whose sum is σ = 105119882. Its totient is φ = 105119880.
The previous prime is 105119879. The next prime is 105119933. The reversal of 105119881 is 188911501.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 59151481 + 45968400 = 7691^2 + 6780^2 .
It is a cyclic number.
It is not a de Polignac number, because 105119881 - 21 = 105119879 is a prime.
It is a super-2 number, since 2×1051198812 = 22100378762908322, which contains 22 as substring.
Together with 105119879, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (105119801) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52559940 + 52559941.
It is an arithmetic number, because the mean of its divisors is an integer number (52559941).
Almost surely, 2105119881 is an apocalyptic number.
It is an amenable number.
105119881 is a deficient number, since it is larger than the sum of its proper divisors (1).
105119881 is an equidigital number, since it uses as much as digits as its factorization.
105119881 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2880, while the sum is 34.
The square root of 105119881 is about 10252.7986910892. The cubic root of 105119881 is about 471.9488731967.
The spelling of 105119881 in words is "one hundred five million, one hundred nineteen thousand, eight hundred eighty-one".
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