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12525015013 = 717254341389
BaseRepresentation
bin10111010101000110…
…01000111111100101
31012022220000200112221
423222203020333211
5201122400440023
65430502312341
7622244604520
oct135243107745
935286020487
1012525015013
115348054185
1225167286b1
131247b678b4
1486b645bb7
154d48ca85d
hex2ea8c8fe5

12525015013 has 16 divisors (see below), whose sum is σ = 15162647040. Its totient is φ = 10099996416.

The previous prime is 12525014993. The next prime is 12525015031. The reversal of 12525015013 is 31051052521.

It is a cyclic number.

It is not a de Polignac number, because 12525015013 - 25 = 12525014981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12525015313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281923 + ... + 323311.

It is an arithmetic number, because the mean of its divisors is an integer number (947665440).

Almost surely, 212525015013 is an apocalyptic number.

It is an amenable number.

12525015013 is a deficient number, since it is larger than the sum of its proper divisors (2637632027).

12525015013 is a wasteful number, since it uses less digits than its factorization.

12525015013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43956.

The product of its (nonzero) digits is 1500, while the sum is 25.

Adding to 12525015013 its reverse (31051052521), we get a palindrome (43576067534).

The spelling of 12525015013 in words is "twelve billion, five hundred twenty-five million, fifteen thousand, thirteen".

Divisors: 1 7 17 119 2543 17801 41389 43231 289723 302617 703613 4925291 105252227 736765589 1789287859 12525015013