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1144085201 = 7163440743
BaseRepresentation
bin100010000110001…
…0101101011010001
32221201210112211222
41010030111223101
54320341211301
6305305414425
740231364240
oct10414255321
92851715758
101144085201
11537896166
1227b19a415
13153047abc
14abd36957
156a69331b
hex44315ad1

1144085201 has 4 divisors (see below), whose sum is σ = 1307525952. Its totient is φ = 980644452.

The previous prime is 1144085191. The next prime is 1144085203. The reversal of 1144085201 is 1025804411.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1025804411 = 2633900397.

It is a cyclic number.

It is not a de Polignac number, because 1144085201 - 214 = 1144068817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144085203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81720365 + ... + 81720378.

It is an arithmetic number, because the mean of its divisors is an integer number (326881488).

Almost surely, 21144085201 is an apocalyptic number.

It is an amenable number.

1144085201 is a deficient number, since it is larger than the sum of its proper divisors (163440751).

1144085201 is an equidigital number, since it uses as much as digits as its factorization.

1144085201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163440750.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 1144085201 is about 33824.3285373117. The cubic root of 1144085201 is about 1045.8902697756.

Adding to 1144085201 its reverse (1025804411), we get a palindrome (2169889612).

The spelling of 1144085201 in words is "one billion, one hundred forty-four million, eighty-five thousand, two hundred one".

Divisors: 1 7 163440743 1144085201