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12522413142 = 232695689619
BaseRepresentation
bin10111010100110010…
…01101110001010110
31012022201010111110100
423222121031301112
5201121214210032
65430330434530
7622213520061
oct135231156126
935281114410
1012522413142
115346637378
122515892a46
131247466525
1486b1698d8
154d456497c
hex2ea64dc56

12522413142 has 12 divisors (see below), whose sum is σ = 27131895180. Its totient is φ = 4174137708.

The previous prime is 12522413107. The next prime is 12522413147. The reversal of 12522413142 is 24131422521.

12522413142 is a `hidden beast` number, since 1 + 2 + 522 + 4 + 131 + 4 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12522413147) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 347844792 + ... + 347844827.

It is an arithmetic number, because the mean of its divisors is an integer number (2260991265).

Almost surely, 212522413142 is an apocalyptic number.

12522413142 is an abundant number, since it is smaller than the sum of its proper divisors (14609482038).

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

12522413142 is a wasteful number, since it uses less digits than its factorization.

12522413142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695689627 (or 695689624 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

Adding to 12522413142 its reverse (24131422521), we get a palindrome (36653835663).

The spelling of 12522413142 in words is "twelve billion, five hundred twenty-two million, four hundred thirteen thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 695689619 1391379238 2087068857 4174137714 6261206571 12522413142