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111143122 = 2193194349
BaseRepresentation
bin1101001111111…
…10100011010010
321202010122200221
412213332203102
5211423034442
615010103254
72516462266
oct647764322
9252118627
10111143122
1157812522
123127ab2a
131a04577c
1410a920a6
159b56467
hex69fe8d2

111143122 has 16 divisors (see below), whose sum is σ = 181152000. Its totient is φ = 50947920.

The previous prime is 111143119. The next prime is 111143171. The reversal of 111143122 is 221341111.

It is a junction number, because it is equal to n+sod(n) for n = 111143096 and 111143105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45997 + ... + 48352.

It is an arithmetic number, because the mean of its divisors is an integer number (11322000).

Almost surely, 2111143122 is an apocalyptic number.

111143122 is a deficient number, since it is larger than the sum of its proper divisors (70008878).

111143122 is a wasteful number, since it uses less digits than its factorization.

111143122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94401.

The product of its digits is 48, while the sum is 16.

The square root of 111143122 is about 10542.4438343299. The cubic root of 111143122 is about 480.7960200270.

Adding to 111143122 its reverse (221341111), we get a palindrome (332484233).

The spelling of 111143122 in words is "one hundred eleven million, one hundred forty-three thousand, one hundred twenty-two".

Divisors: 1 2 19 31 38 62 589 1178 94349 188698 1792631 2924819 3585262 5849638 55571561 111143122