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12525015011 = 4127450931
BaseRepresentation
bin10111010101000110…
…01000111111100011
31012022220000200112212
423222203020333203
5201122400440021
65430502312335
7622244604515
oct135243107743
935286020485
1012525015011
115348054183
1225167286ab
131247b678b2
1486b645bb5
154d48ca85b
hex2ea8c8fe3

12525015011 has 6 divisors (see below), whose sum is σ = 12837955836. Its totient is φ = 12219525200.

The previous prime is 12525014993. The next prime is 12525015031. The reversal of 12525015011 is 11051052521.

It is not a de Polignac number, because 12525015011 - 210 = 12525013987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12525015031) 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 5 ways as a sum of consecutive naturals, for example, 3723785 + ... + 3727146.

It is an arithmetic number, because the mean of its divisors is an integer number (2139659306).

Almost surely, 212525015011 is an apocalyptic number.

12525015011 is a deficient number, since it is larger than the sum of its proper divisors (312940825).

12525015011 is an frugal number, since it uses more digits than its factorization.

12525015011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7451013 (or 7450972 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 23.

Adding to 12525015011 its reverse (11051052521), we get a palindrome (23576067532).

The spelling of 12525015011 in words is "twelve billion, five hundred twenty-five million, fifteen thousand, eleven".

Divisors: 1 41 1681 7450931 305488171 12525015011