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12120164 = 2273711699
BaseRepresentation
bin101110001111…
…000001100100
3211210202201222
4232033001210
511100321124
61111435512
7205006520
oct56170144
924722658
1012120164
116929071
124085b98
1326848c4
141876d80
1510e625e
hexb8f064

12120164 has 24 divisors (see below), whose sum is σ = 24897600. Its totient is φ = 5053536.

The previous prime is 12120091. The next prime is 12120179. The reversal of 12120164 is 46102121.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4814 + ... + 6885.

It is an arithmetic number, because the mean of its divisors is an integer number (1037400).

Almost surely, 212120164 is an apocalyptic number.

12120164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12120164 is an abundant number, since it is smaller than the sum of its proper divisors (12777436).

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

12120164 is a wasteful number, since it uses less digits than its factorization.

12120164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11747 (or 11745 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 12120164 is about 3481.4025909107. The cubic root of 12120164 is about 229.7044976299.

Adding to 12120164 its reverse (46102121), we get a palindrome (58222285).

It can be divided in two parts, 121 and 20164, that multiplied together give a square (2439844 = 15622).

The spelling of 12120164 in words is "twelve million, one hundred twenty thousand, one hundred sixty-four".

Divisors: 1 2 4 7 14 28 37 74 148 259 518 1036 11699 23398 46796 81893 163786 327572 432863 865726 1731452 3030041 6060082 12120164