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12241143442 = 211743748877
BaseRepresentation
bin10110110011010000…
…10000011010010010
31011121002212111222001
423121220100122102
5200032213042232
65342402104214
7612230000563
oct133150203222
934532774861
1012241143442
115211896280
12245764b06a
1312010c5c58
14841a7016a
154b9a056e7
hex2d9a10692

12241143442 has 16 divisors (see below), whose sum is σ = 20057948352. Its totient is φ = 5556659920.

The previous prime is 12241143419. The next prime is 12241143449. The reversal of 12241143442 is 24434114221.

It is a super-3 number, since 3×122411434423 (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12241143442.

It is not an unprimeable number, because it can be changed into a prime (12241143449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358093 + ... + 390784.

It is an arithmetic number, because the mean of its divisors is an integer number (1253621772).

Almost surely, 212241143442 is an apocalyptic number.

12241143442 is a deficient number, since it is larger than the sum of its proper divisors (7816804910).

12241143442 is a wasteful number, since it uses less digits than its factorization.

12241143442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749633.

The product of its digits is 6144, while the sum is 28.

Adding to 12241143442 its reverse (24434114221), we get a palindrome (36675257663).

The spelling of 12241143442 in words is "twelve billion, two hundred forty-one million, one hundred forty-three thousand, four hundred forty-two".

Divisors: 1 2 11 22 743 1486 8173 16346 748877 1497754 8237647 16475294 556415611 1112831222 6120571721 12241143442