Base | Representation |
---|---|
bin | 101110001111… |
… | …101111100110 |
3 | 211210220210002 |
4 | 232033233212 |
5 | 11100414420 |
6 | 1111501302 |
7 | 205021226 |
oct | 56175746 |
9 | 24726702 |
10 | 12123110 |
11 | 69302aa |
12 | 4087832 |
13 | 268604c |
14 | 1878086 |
15 | 10e7075 |
hex | b8fbe6 |
12123110 has 16 divisors (see below), whose sum is σ = 22121856. Its totient is φ = 4782528.
The previous prime is 12123107. The next prime is 12123151. The reversal of 12123110 is 1132121.
It is a junction number, because it is equal to n+sod(n) for n = 12123091 and 12123100.
It is a congruent number.
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, 7574 + ... + 9033.
It is an arithmetic number, because the mean of its divisors is an integer number (1382616).
Almost surely, 212123110 is an apocalyptic number.
12123110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12123110 is a deficient number, since it is larger than the sum of its proper divisors (9998746).
12123110 is a wasteful number, since it uses less digits than its factorization.
12123110 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16687.
The product of its (nonzero) digits is 12, while the sum is 11.
The square root of 12123110 is about 3481.8256705355. The cubic root of 12123110 is about 229.7231072414.
Adding to 12123110 its reverse (1132121), we get a palindrome (13255231).
The spelling of 12123110 in words is "twelve million, one hundred twenty-three thousand, one hundred ten".
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