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12541442575 = 5219179147503
BaseRepresentation
bin10111010111000011…
…10011101000001111
31012101000221021221011
423223201303220033
5201141102130300
65432250350051
7622534334344
oct135341635017
935330837834
1012541442575
115356354482
12252012b327
13124b399c4c
1486d8c07cb
154d6072eba
hex2eb873a0f

12541442575 has 24 divisors (see below), whose sum is σ = 16461446400. Its totient is φ = 9451928160.

The previous prime is 12541442567. The next prime is 12541442579. The reversal of 12541442575 is 57524414521.

It is not a de Polignac number, because 12541442575 - 23 = 12541442567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12541442579) 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 23 ways as a sum of consecutive naturals, for example, 11274 + ... + 158776.

It is an arithmetic number, because the mean of its divisors is an integer number (685893600).

Almost surely, 212541442575 is an apocalyptic number.

12541442575 is a deficient number, since it is larger than the sum of its proper divisors (3920003825).

12541442575 is a wasteful number, since it uses less digits than its factorization.

12541442575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147711 (or 147706 counting only the distinct ones).

The product of its digits is 224000, while the sum is 40.

The spelling of 12541442575 in words is "twelve billion, five hundred forty-one million, four hundred forty-two thousand, five hundred seventy-five".

Divisors: 1 5 19 25 95 179 475 895 3401 4475 17005 85025 147503 737515 2802557 3687575 14012785 26403037 70063925 132015185 501657703 660075925 2508288515 12541442575