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2132444401 = 20811024721
BaseRepresentation
bin111111100011010…
…1000010011110001
312111121120101210021
41333012220103301
513331401210101
6551333403441
7103562323033
oct17706502361
95447511707
102132444401
119a478904a
124b6199581
1327ca3a629
141632d3c53
15c73255a1
hex7f1a84f1

2132444401 has 4 divisors (see below), whose sum is σ = 2133471204. Its totient is φ = 2131417600.

The previous prime is 2132444389. The next prime is 2132444429. The reversal of 2132444401 is 1044442312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 264908176 + 1867536225 = 16276^2 + 43215^2 .

It is a cyclic number.

It is not a de Polignac number, because 2132444401 - 223 = 2124055793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2132444491) 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, 510280 + ... + 514441.

It is an arithmetic number, because the mean of its divisors is an integer number (533367801).

Almost surely, 22132444401 is an apocalyptic number.

It is an amenable number.

2132444401 is a deficient number, since it is larger than the sum of its proper divisors (1026803).

2132444401 is a wasteful number, since it uses less digits than its factorization.

2132444401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026802.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 2132444401 is about 46178.3975577326. The cubic root of 2132444401 is about 1287.1403515644.

Adding to 2132444401 its reverse (1044442312), we get a palindrome (3176886713).

The spelling of 2132444401 in words is "two billion, one hundred thirty-two million, four hundred forty-four thousand, four hundred one".

Divisors: 1 2081 1024721 2132444401