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12142052441 = 315910165729
BaseRepresentation
bin10110100111011100…
…10000010001011001
31011100012102011122222
423103232100101121
5144331331134231
65324502153425
7606614512541
oct132356202131
934305364588
1012142052441
115170965792
12242a422875
1311b671011c
14832838321
154b0e8027b
hex2d3b90459

12142052441 has 16 divisors (see below), whose sum is σ = 12872563200. Its totient is φ = 11436672000.

The previous prime is 12142052411. The next prime is 12142052449. The reversal of 12142052441 is 14425024121.

It is a cyclic number.

It is not a de Polignac number, because 12142052441 - 214 = 12142036057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12142052441.

It is not an unprimeable number, because it can be changed into a prime (12142052449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151865 + ... + 217593.

It is an arithmetic number, because the mean of its divisors is an integer number (804535200).

Almost surely, 212142052441 is an apocalyptic number.

It is an amenable number.

12142052441 is a deficient number, since it is larger than the sum of its proper divisors (730510759).

12142052441 is a wasteful number, since it uses less digits than its factorization.

12142052441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65920.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 12142052441 its reverse (14425024121), we get a palindrome (26567076562).

The spelling of 12142052441 in words is "twelve billion, one hundred forty-two million, fifty-two thousand, four hundred forty-one".

Divisors: 1 31 59 101 1829 3131 5959 65729 184729 2037599 3878011 6638629 120218341 205797499 391679111 12142052441