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111111001113 = 3719594719893
BaseRepresentation
bin110011101111010111…
…0110101010000011001
3101121210111221200101110
41213132232311100121
53310023404013423
6123013234210533
711012301632520
oct1473656652031
9347714850343
10111111001113
1143138299752
121964aa23a49
13a629730008
1455409874b7
152d54903193
hex19debb5419

111111001113 has 32 divisors (see below), whose sum is σ = 181243929600. Its totient is φ = 59130806976.

The previous prime is 111111001087. The next prime is 111111001121. The reversal of 111111001113 is 311100111111.

It is not a de Polignac number, because 111111001113 - 28 = 111111000857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111111001013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2336406 + ... + 2383487.

It is an arithmetic number, because the mean of its divisors is an integer number (5663872800).

Almost surely, 2111111001113 is an apocalyptic number.

It is an amenable number.

111111001113 is a deficient number, since it is larger than the sum of its proper divisors (70132928487).

111111001113 is a wasteful number, since it uses less digits than its factorization.

111111001113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4719981.

The product of its (nonzero) digits is 3, while the sum is 12.

Adding to 111111001113 its reverse (311100111111), we get a palindrome (422211112224).

The spelling of 111111001113 in words is "one hundred eleven billion, one hundred eleven million, one thousand, one hundred thirteen".

Divisors: 1 3 7 19 21 57 59 133 177 399 413 1121 1239 3363 7847 23541 4719893 14159679 33039251 89677967 99117753 269033901 278473687 627745769 835421061 1883237307 1949315809 5291000053 5847947427 15873000159 37037000371 111111001113