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111141193 = 223498391
BaseRepresentation
bin1101001111111…
…10000101001001
321202010120001111
412213332011021
5211423004233
615010050321
72516453542
oct647760511
9252116044
10111141193
1157811029
12312799a1
131a044927
1410a914c9
159b55acd
hex69fe149

111141193 has 4 divisors (see below), whose sum is σ = 111639808. Its totient is φ = 110642580.

The previous prime is 111141187. The next prime is 111141209. The reversal of 111141193 is 391141111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 391141111 = 2213176747.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-111141193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111141143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248973 + ... + 249418.

It is an arithmetic number, because the mean of its divisors is an integer number (27909952).

Almost surely, 2111141193 is an apocalyptic number.

It is an amenable number.

111141193 is a deficient number, since it is larger than the sum of its proper divisors (498615).

111141193 is an equidigital number, since it uses as much as digits as its factorization.

111141193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498614.

The product of its digits is 108, while the sum is 22.

The square root of 111141193 is about 10542.3523466065. The cubic root of 111141193 is about 480.7932384457.

The spelling of 111141193 in words is "one hundred eleven million, one hundred forty-one thousand, one hundred ninety-three".

Divisors: 1 223 498391 111141193