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123052112 = 248986413
BaseRepresentation
bin1110101010110…
…10000001010000
322120112200202122
413111122001100
5223000131422
620113233412
73022632341
oct725320120
9276480678
10123052112
1163506967
1235262868
131c655201
14124b20c8
15ac09d42
hex755a050

123052112 has 20 divisors (see below), whose sum is σ = 241095060. Its totient is φ = 60834048.

The previous prime is 123052091. The next prime is 123052117. The reversal of 123052112 is 211250321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 54228496 + 68823616 = 7364^2 + 8296^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123052117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41783 + ... + 44630.

It is an arithmetic number, because the mean of its divisors is an integer number (12054753).

Almost surely, 2123052112 is an apocalyptic number.

It is an amenable number.

123052112 is a deficient number, since it is larger than the sum of its proper divisors (118042948).

123052112 is an equidigital number, since it uses as much as digits as its factorization.

123052112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86510 (or 86504 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 123052112 is about 11092.8856480178. The cubic root of 123052112 is about 497.3892072502.

The spelling of 123052112 in words is "one hundred twenty-three million, fifty-two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 89 178 356 712 1424 86413 172826 345652 691304 1382608 7690757 15381514 30763028 61526056 123052112