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12051451001 = 67179872403
BaseRepresentation
bin10110011100101001…
…01000110001111001
31011002212221010212002
423032110220301321
5144140132413001
65311504230345
7604434433442
oct131624506171
934085833762
1012051451001
115124803567
12240400b3b5
1311a0a0a4c5
148247b22c9
154a803546b
hex2ce528c79

12051451001 has 4 divisors (see below), whose sum is σ = 12231323472. Its totient is φ = 11871578532.

The previous prime is 12051450949. The next prime is 12051451003. The reversal of 12051451001 is 10015415021.

12051451001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12051451001 - 230 = 10977709177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12051451003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89936135 + ... + 89936268.

It is an arithmetic number, because the mean of its divisors is an integer number (3057830868).

Almost surely, 212051451001 is an apocalyptic number.

It is an amenable number.

12051451001 is a deficient number, since it is larger than the sum of its proper divisors (179872471).

12051451001 is an equidigital number, since it uses as much as digits as its factorization.

12051451001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179872470.

The product of its (nonzero) digits is 200, while the sum is 20.

Adding to 12051451001 its reverse (10015415021), we get a palindrome (22066866022).

The spelling of 12051451001 in words is "twelve billion, fifty-one million, four hundred fifty-one thousand, one".

Divisors: 1 67 179872403 12051451001