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12312311110 = 2511111930101
BaseRepresentation
bin10110111011101111…
…01111010101000110
31011210001210012122121
423131313233111012
5200203422423420
65353423320154
7614052626521
oct133567572506
934701705577
1012312311110
115248a84630
12247745005a
131212a830b8
1484b2b7bb8
154c0db22aa
hex2dddef546

12312311110 has 16 divisors (see below), whose sum is σ = 24176902032. Its totient is φ = 4477204000.

The previous prime is 12312311107. The next prime is 12312311117. The reversal of 12312311110 is 1111321321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312311117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55964941 + ... + 55965160.

It is an arithmetic number, because the mean of its divisors is an integer number (1511056377).

Almost surely, 212312311110 is an apocalyptic number.

12312311110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12312311110 is a deficient number, since it is larger than the sum of its proper divisors (11864590922).

12312311110 is a wasteful number, since it uses less digits than its factorization.

12312311110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111930119.

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

Adding to 12312311110 its reverse (1111321321), we get a palindrome (13423632431).

The spelling of 12312311110 in words is "twelve billion, three hundred twelve million, three hundred eleven thousand, one hundred ten".

Divisors: 1 2 5 10 11 22 55 110 111930101 223860202 559650505 1119301010 1231231111 2462462222 6156155555 12312311110