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12051444415021 = 111957662413469
BaseRepresentation
bin1010111101011111001000…
…0100000011101000101101
31120200002212212211011022221
42233113302010003220231
53034422324232240041
641344205050235341
72352455012224534
oct257276204035055
946602785734287
1012051444415021
113926a97212280
121427798425b51
136955a578c34b
142d94160a331b
1515d7444d02d1
hexaf5f2103a2d

12051444415021 has 8 divisors (see below), whose sum is σ = 13838979232800. Its totient is φ = 10379234424240.

The previous prime is 12051444414991. The next prime is 12051444415033.

12051444415021 is nontrivially palindromic in base 10.

12051444415021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12051444415021 - 213 = 12051444406829 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 (12051444415091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28831206526 + ... + 28831206943.

It is an arithmetic number, because the mean of its divisors is an integer number (1729872404100).

Almost surely, 212051444415021 is an apocalyptic number.

12051444415021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12051444415021 is a deficient number, since it is larger than the sum of its proper divisors (1787534817779).

12051444415021 is a wasteful number, since it uses less digits than its factorization.

12051444415021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57662413499.

The product of its (nonzero) digits is 25600, while the sum is 34.

The spelling of 12051444415021 in words is "twelve trillion, fifty-one billion, four hundred forty-four million, four hundred fifteen thousand, twenty-one".

Divisors: 1 11 19 209 57662413469 634286548159 1095585855911 12051444415021