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12182130 = 233545119
BaseRepresentation
bin101110011110…
…001001110010
3211220220202000
4232132021302
511104312010
61113034430
7205355262
oct56361162
924826660
1012182130
116970684
1240b5a16
1326a6b7c
1418917a2
1511097c0
hexb9e272

12182130 has 32 divisors (see below), whose sum is σ = 32486400. Its totient is φ = 3248496.

The previous prime is 12182123. The next prime is 12182153. The reversal of 12182130 is 3128121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22290 + ... + 22829.

It is an arithmetic number, because the mean of its divisors is an integer number (1015200).

Almost surely, 212182130 is an apocalyptic number.

12182130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12182130 is an abundant number, since it is smaller than the sum of its proper divisors (20304270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12182130 is a wasteful number, since it uses less digits than its factorization.

12182130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45135 (or 45129 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 12182130 is about 3490.2908188287. The cubic root of 12182130 is about 230.0952976232.

The spelling of 12182130 in words is "twelve million, one hundred eighty-two thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 45119 90238 135357 225595 270714 406071 451190 676785 812142 1218213 1353570 2030355 2436426 4060710 6091065 12182130