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12000032244 = 2232333334229
BaseRepresentation
bin10110010110100000…
…11111010111110100
31010222022011210120200
423023100133113310
5144034002012434
65302430200500
7603241406514
oct131320372764
933868153520
1012000032244
1150a8783922
1223aa953130
1311931763c5
1481ba29844
154a377a199
hex2cb41f5f4

12000032244 has 18 divisors (see below), whose sum is σ = 30333414930. Its totient is φ = 4000010736.

The previous prime is 12000032227. The next prime is 12000032249. The reversal of 12000032244 is 44223000021.

It can be written as a sum of positive squares in only one way, i.e., 8989315344 + 3010716900 = 94812^2 + 54870^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000032249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 166667079 + ... + 166667150.

Almost surely, 212000032244 is an apocalyptic number.

It is an amenable number.

12000032244 is an abundant number, since it is smaller than the sum of its proper divisors (18333382686).

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

12000032244 is a wasteful number, since it uses less digits than its factorization.

12000032244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333334239 (or 333334234 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 12000032244 its reverse (44223000021), we get a palindrome (56223032265).

The spelling of 12000032244 in words is "twelve billion, thirty-two thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 333334229 666668458 1000002687 1333336916 2000005374 3000008061 4000010748 6000016122 12000032244