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105119291 = 757138863
BaseRepresentation
bin1100100001111…
…11111000111011
321022210121120002
412100333320323
5203402304131
614233023215
72414333144
oct620777073
9238717502
10105119291
1154378752
122b254b0b
1318a16984
14dd64acb
1593666cb
hex643fe3b

105119291 has 4 divisors (see below), whose sum is σ = 105258912. Its totient is φ = 104979672.

The previous prime is 105119281. The next prime is 105119293. The reversal of 105119291 is 192911501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105119291 - 26 = 105119227 is a prime.

It is a super-2 number, since 2×1051192912 = 22100130680685362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105119293) 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 in 3 ways as a sum of consecutive naturals, for example, 68675 + ... + 70188.

It is an arithmetic number, because the mean of its divisors is an integer number (26314728).

Almost surely, 2105119291 is an apocalyptic number.

105119291 is a deficient number, since it is larger than the sum of its proper divisors (139621).

105119291 is an equidigital number, since it uses as much as digits as its factorization.

105119291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139620.

The product of its (nonzero) digits is 810, while the sum is 29.

The square root of 105119291 is about 10252.7699184172. The cubic root of 105119291 is about 471.9479902354.

The spelling of 105119291 in words is "one hundred five million, one hundred nineteen thousand, two hundred ninety-one".

Divisors: 1 757 138863 105119291