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12522480769 = 43291220483
BaseRepresentation
bin10111010100110010…
…11110010010000001
31012022201020221020001
423222121132102001
5201121223341034
65430332120001
7622214221201
oct135231362201
935281227201
1012522480769
115346683167
122515906001
13124748b246
1486b186401
154d4579a14
hex2ea65e481

12522480769 has 4 divisors (see below), whose sum is σ = 12813701296. Its totient is φ = 12231260244.

The previous prime is 12522480757. The next prime is 12522480779. The reversal of 12522480769 is 96708422521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12522480769 - 219 = 12521956481 is a prime.

It is a super-2 number, since 2×125224807692 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12522480779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145610199 + ... + 145610284.

It is an arithmetic number, because the mean of its divisors is an integer number (3203425324).

Almost surely, 212522480769 is an apocalyptic number.

It is an amenable number.

12522480769 is a deficient number, since it is larger than the sum of its proper divisors (291220527).

12522480769 is an equidigital number, since it uses as much as digits as its factorization.

12522480769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291220526.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 12522480769 in words is "twelve billion, five hundred twenty-two million, four hundred eighty thousand, seven hundred sixty-nine".

Divisors: 1 43 291220483 12522480769