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2144124005521 = 61134112620951
BaseRepresentation
bin11111001100110111101…
…111111110110010010001
321120222100200120220202111
4133030313233332302101
5240112131221134041
64320555202345321
7310623251224051
oct37146757766221
97528320526674
102144124005521
11757355116353
122a766695b241
13127261644c04
1475ac1ab1561
153ab90cbb981
hex1f337bfec91

2144124005521 has 8 divisors (see below), whose sum is σ = 2179436909888. Its totient is φ = 2108816370000.

The previous prime is 2144124005519. The next prime is 2144124005641. The reversal of 2144124005521 is 1255004214412.

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

It is a cyclic number.

It is not a de Polignac number, because 2144124005521 - 21 = 2144124005519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2144124002521) 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, 492405 + ... + 2128546.

It is an arithmetic number, because the mean of its divisors is an integer number (272429613736).

Almost surely, 22144124005521 is an apocalyptic number.

It is an amenable number.

2144124005521 is a deficient number, since it is larger than the sum of its proper divisors (35312904367).

2144124005521 is a wasteful number, since it uses less digits than its factorization.

2144124005521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2634423.

The product of its (nonzero) digits is 12800, while the sum is 31.

Adding to 2144124005521 its reverse (1255004214412), we get a palindrome (3399128219933).

The spelling of 2144124005521 in words is "two trillion, one hundred forty-four billion, one hundred twenty-four million, five thousand, five hundred twenty-one".

Divisors: 1 61 13411 818071 2620951 159878011 35149573861 2144124005521