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12103148 = 226745161
BaseRepresentation
bin101110001010…
…110111101100
3211202220101202
4232022313230
511044300043
61111225032
7204606101
oct56126754
924686352
1012103148
116917302
124078178
132679c35
141870aa8
1510e11b8
hexb8adec

12103148 has 12 divisors (see below), whose sum is σ = 21497112. Its totient is φ = 5961120.

The previous prime is 12103141. The next prime is 12103153. The reversal of 12103148 is 84130121.

It is a super-3 number, since 3×121031483 (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12103141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22313 + ... + 22848.

It is an arithmetic number, because the mean of its divisors is an integer number (1791426).

Almost surely, 212103148 is an apocalyptic number.

It is an amenable number.

12103148 is a deficient number, since it is larger than the sum of its proper divisors (9393964).

12103148 is a wasteful number, since it uses less digits than its factorization.

12103148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45232 (or 45230 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 12103148 is about 3478.9578899435. The cubic root of 12103148 is about 229.5969500661.

Adding to 12103148 its reverse (84130121), we get a palindrome (96233269).

The spelling of 12103148 in words is "twelve million, one hundred three thousand, one hundred forty-eight".

Divisors: 1 2 4 67 134 268 45161 90322 180644 3025787 6051574 12103148