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12240033040 = 245153000413
BaseRepresentation
bin10110110011001000…
…00001010100010000
31011121000210002210001
423121210001110100
5200031422024130
65342322215344
7612214364344
oct133144012420
934530702701
1012240033040
1152111a7a94
1224571b4554
131200ac7701
14841861624
154b98866ca
hex2d9901510

12240033040 has 20 divisors (see below), whose sum is σ = 28458077004. Its totient is φ = 4896013184.

The previous prime is 12240032999. The next prime is 12240033041. The reversal of 12240033040 is 4033004221.

It can be written as a sum of positive squares in 2 ways, for example, as 4277683216 + 7962349824 = 65404^2 + 89232^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 12240032999 and 12240033017.

It is not an unprimeable number, because it can be changed into a prime (12240033041) 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, 76500127 + ... + 76500286.

Almost surely, 212240033040 is an apocalyptic number.

12240033040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12240033040 is an abundant number, since it is smaller than the sum of its proper divisors (16218043964).

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

12240033040 is a wasteful number, since it uses less digits than its factorization.

12240033040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153000426 (or 153000420 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 12240033040 its reverse (4033004221), we get a palindrome (16273037261).

The spelling of 12240033040 in words is "twelve billion, two hundred forty million, thirty-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 153000413 306000826 612001652 765002065 1224003304 1530004130 2448006608 3060008260 6120016520 12240033040