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2144330401 = 18743114407
BaseRepresentation
bin111111111001111…
…1110001010100001
312112102221021022111
41333303332022201
513342422033101
6552440235321
7104065336063
oct17763761241
95472837274
102144330401
11a00467194
124ba16bb41
1328233c775
14164b09733
15c83c2251
hex7fcfe2a1

2144330401 has 4 divisors (see below), whose sum is σ = 2144463552. Its totient is φ = 2144197252.

The previous prime is 2144330393. The next prime is 2144330429. The reversal of 2144330401 is 1040334412.

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 2144330401 - 23 = 2144330393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2144330431) 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, 38461 + ... + 75946.

It is an arithmetic number, because the mean of its divisors is an integer number (536115888).

Almost surely, 22144330401 is an apocalyptic number.

It is an amenable number.

2144330401 is a deficient number, since it is larger than the sum of its proper divisors (133151).

2144330401 is a wasteful number, since it uses less digits than its factorization.

2144330401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133150.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2144330401 is about 46306.9152611141. The cubic root of 2144330401 is about 1289.5273794971.

Adding to 2144330401 its reverse (1040334412), we get a palindrome (3184664813).

The spelling of 2144330401 in words is "two billion, one hundred forty-four million, three hundred thirty thousand, four hundred one".

Divisors: 1 18743 114407 2144330401