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12312110 = 257117341
BaseRepresentation
bin101110111101…
…111000101110
3212011112001002
4232331320232
511122441420
61115520302
7206436236
oct56757056
925145032
1012312110
116a4a2a8
124159092
132721095
1418c6cc6
151133075
hexbbde2e

12312110 has 16 divisors (see below), whose sum is σ = 22475232. Its totient is φ = 4855200.

The previous prime is 12312109. The next prime is 12312119. The reversal of 12312110 is 1121321.

It is a junction number, because it is equal to n+sod(n) for n = 12312091 and 12312100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312119) 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, 7961 + ... + 9380.

It is an arithmetic number, because the mean of its divisors is an integer number (1404702).

Almost surely, 212312110 is an apocalyptic number.

12312110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12312110 is a deficient number, since it is larger than the sum of its proper divisors (10163122).

12312110 is a wasteful number, since it uses less digits than its factorization.

12312110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17419.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 12312110 is about 3508.8616387655. The cubic root of 12312110 is about 230.9107555534.

Adding to 12312110 its reverse (1121321), we get a palindrome (13433431).

The spelling of 12312110 in words is "twelve million, three hundred twelve thousand, one hundred ten".

Divisors: 1 2 5 10 71 142 355 710 17341 34682 86705 173410 1231211 2462422 6156055 12312110