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111111093 = 3229425713
BaseRepresentation
bin1101001111101…
…10101110110101
321202002000202200
412213312232311
5211421023333
615005255113
72516300022
oct647665665
9252060680
10111111093
11577a0455
1231264499
131a034012
1410a84549
159b4bc13
hex69f6bb5

111111093 has 12 divisors (see below), whose sum is σ = 166028460. Its totient is φ = 71519616.

The previous prime is 111111089. The next prime is 111111109. The reversal of 111111093 is 390111111.

It can be written as a sum of positive squares in 2 ways, for example, as 69856164 + 41254929 = 8358^2 + 6423^2 .

It is not a de Polignac number, because 111111093 - 22 = 111111089 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111111023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 212596 + ... + 213117.

It is an arithmetic number, because the mean of its divisors is an integer number (13835705).

Almost surely, 2111111093 is an apocalyptic number.

It is an amenable number.

111111093 is a deficient number, since it is larger than the sum of its proper divisors (54917367).

111111093 is a wasteful number, since it uses less digits than its factorization.

111111093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425748 (or 425745 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 18.

The square root of 111111093 is about 10540.9246748091. The cubic root of 111111093 is about 480.7498306484.

Adding to 111111093 its sum of digits (18), we get a palindrome (111111111).

The spelling of 111111093 in words is "one hundred eleven million, one hundred eleven thousand, ninety-three".

Divisors: 1 3 9 29 87 261 425713 1277139 3831417 12345677 37037031 111111093