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111311012230 = 251110110018993
BaseRepresentation
bin110011110101010100…
…1110100000110000110
3101122022110022022001121
41213222221310012012
53310431104342410
6123045141144154
711020250664355
oct1475251640606
9348273268047
10111311012230
1143230189aa0
12196a59bb05a
13a65bcbc3a2
14555d36d99c
152d672609da
hex19eaa74186

111311012230 has 32 divisors (see below), whose sum is σ = 220738475808. Its totient is φ = 40075968000.

The previous prime is 111311012207. The next prime is 111311012231. The reversal of 111311012230 is 32210113111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111311012231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4998387 + ... + 5020606.

It is an arithmetic number, because the mean of its divisors is an integer number (6898077369).

Almost surely, 2111311012230 is an apocalyptic number.

111311012230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111311012230 is a deficient number, since it is larger than the sum of its proper divisors (109427463578).

111311012230 is a wasteful number, since it uses less digits than its factorization.

111311012230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10019112.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 111311012230 its reverse (32210113111), we get a palindrome (143521125341).

The spelling of 111311012230 in words is "one hundred eleven billion, three hundred eleven million, twelve thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 55 101 110 202 505 1010 1111 2222 5555 11110 10018993 20037986 50094965 100189930 110208923 220417846 551044615 1011918293 1102089230 2023836586 5059591465 10119182930 11131101223 22262202446 55655506115 111311012230