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12053242542 = 2311199917713
BaseRepresentation
bin10110011100110110…
…11110001010101110
31011010000022011101110
423032123132022232
5144141112230132
65312010452450
7604455604545
oct131633361256
934100264343
1012053242542
115125817580
122404734126
1311a11b6aa3
14824b1b15c
154a828b1cc
hex2ce6de2ae

12053242542 has 32 divisors (see below), whose sum is σ = 26430163200. Its totient is φ = 3634139520.

The previous prime is 12053242511. The next prime is 12053242549. The reversal of 12053242542 is 24524235021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12053242549) 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, 445723 + ... + 471990.

It is an arithmetic number, because the mean of its divisors is an integer number (825942600).

Almost surely, 212053242542 is an apocalyptic number.

12053242542 is an abundant number, since it is smaller than the sum of its proper divisors (14376920658).

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

12053242542 is a wasteful number, since it uses less digits than its factorization.

12053242542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917928.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 12053242542 its reverse (24524235021), we get a palindrome (36577477563).

The spelling of 12053242542 in words is "twelve billion, fifty-three million, two hundred forty-two thousand, five hundred forty-two".

Divisors: 1 2 3 6 11 22 33 66 199 398 597 1194 2189 4378 6567 13134 917713 1835426 2753139 5506278 10094843 20189686 30284529 60569058 182624887 365249774 547874661 1095749322 2008873757 4017747514 6026621271 12053242542