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144222021401 = 314652323271
BaseRepresentation
bin1000011001010001001…
…1010110011100011001
3111210021002011210022012
42012110103112130121
54330331314141101
6150131002235305
713263645645413
oct2062423263431
9453232153265
10144222021401
1156189631327
1223b4b7b5b35
13107a54ab203
146da22579b3
153b41700bbb
hex21944d6719

144222021401 has 4 divisors (see below), whose sum is σ = 148874344704. Its totient is φ = 139569698100.

The previous prime is 144222021373. The next prime is 144222021431. The reversal of 144222021401 is 104120222441.

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 144222021401 - 26 = 144222021337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144222021431) 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, 2326161605 + ... + 2326161666.

It is an arithmetic number, because the mean of its divisors is an integer number (37218586176).

Almost surely, 2144222021401 is an apocalyptic number.

It is an amenable number.

144222021401 is a deficient number, since it is larger than the sum of its proper divisors (4652323303).

144222021401 is an equidigital number, since it uses as much as digits as its factorization.

144222021401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4652323302.

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

Adding to 144222021401 its reverse (104120222441), we get a palindrome (248342243842).

The spelling of 144222021401 in words is "one hundred forty-four billion, two hundred twenty-two million, twenty-one thousand, four hundred one".

Divisors: 1 31 4652323271 144222021401