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1144204103 = 7163457729
BaseRepresentation
bin100010000110011…
…0010101101000111
32221202000120221202
41010030302231013
54320404012403
6305312133115
740232401010
oct10414625507
92852016852
101144204103
11537967529
1227b23719b
13153089c63
14abd68007
156a6b8688
hex44332b47

1144204103 has 4 divisors (see below), whose sum is σ = 1307661840. Its totient is φ = 980746368.

The previous prime is 1144204063. The next prime is 1144204109. The reversal of 1144204103 is 3014024411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3014024411 = 3659823729.

It is not a de Polignac number, because 1144204103 - 210 = 1144203079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144204109) 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, 81728858 + ... + 81728871.

It is an arithmetic number, because the mean of its divisors is an integer number (326915460).

Almost surely, 21144204103 is an apocalyptic number.

1144204103 is a deficient number, since it is larger than the sum of its proper divisors (163457737).

1144204103 is an equidigital number, since it uses as much as digits as its factorization.

1144204103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163457736.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1144204103 is about 33826.0861318598. The cubic root of 1144204103 is about 1045.9265008002.

Adding to 1144204103 its reverse (3014024411), we get a palindrome (4158228514).

The spelling of 1144204103 in words is "one billion, one hundred forty-four million, two hundred four thousand, one hundred three".

Divisors: 1 7 163457729 1144204103