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1144231003 = 10357110479
BaseRepresentation
bin100010000110011…
…1001010001011011
32221202001221212001
41010030321101123
54320410343003
6305312501431
740232542306
oct10414712133
92852057761
101144231003
11537985763
1227b24a877
13153099286
14abd73b3d
156a6c161d
hex4433945b

1144231003 has 4 divisors (see below), whose sum is σ = 1144351840. Its totient is φ = 1144110168.

The previous prime is 1144231001. The next prime is 1144231009. The reversal of 1144231003 is 3001324411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3001324411 = 3443987149.

It is a cyclic number.

It is not a de Polignac number, because 1144231003 - 21 = 1144231001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144231001) 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, 44883 + ... + 65596.

It is an arithmetic number, because the mean of its divisors is an integer number (286087960).

Almost surely, 21144231003 is an apocalyptic number.

1144231003 is a deficient number, since it is larger than the sum of its proper divisors (120837).

1144231003 is a wasteful number, since it uses less digits than its factorization.

1144231003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120836.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1144231003 is about 33826.4837516405. The cubic root of 1144231003 is about 1045.9346972406.

Adding to 1144231003 its reverse (3001324411), we get a palindrome (4145555414).

The spelling of 1144231003 in words is "one billion, one hundred forty-four million, two hundred thirty-one thousand, three".

Divisors: 1 10357 110479 1144231003