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2144124401 = 5099420499
BaseRepresentation
bin111111111001100…
…1011110111110001
312112102112210201212
41333303023313301
513342343440101
6552432005505
7104063520356
oct17763136761
95472483655
102144124401
11a00336441
124ba090895
13282299a83
14164a9462d
15c83811bb
hex7fccbdf1

2144124401 has 4 divisors (see below), whose sum is σ = 2144550000. Its totient is φ = 2143698804.

The previous prime is 2144124383. The next prime is 2144124403. The reversal of 2144124401 is 1044214412.

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 2144124401 - 226 = 2077015537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2144124403) 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, 205151 + ... + 215348.

It is an arithmetic number, because the mean of its divisors is an integer number (536137500).

Almost surely, 22144124401 is an apocalyptic number.

It is an amenable number.

2144124401 is a deficient number, since it is larger than the sum of its proper divisors (425599).

2144124401 is an equidigital number, since it uses as much as digits as its factorization.

2144124401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425598.

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 2144124401 is about 46304.6909178757. The cubic root of 2144124401 is about 1289.4860843765.

Adding to 2144124401 its reverse (1044214412), we get a palindrome (3188338813).

The spelling of 2144124401 in words is "two billion, one hundred forty-four million, one hundred twenty-four thousand, four hundred one".

Divisors: 1 5099 420499 2144124401