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1144412143 = 7606726947
BaseRepresentation
bin100010000110110…
…0101011111101111
32221202102011022221
41010031211133233
54320432142033
6305320420211
740234225360
oct10415453757
92852364287
101144412143
11537a99866
1227b317667
13153130864
14abdbdb67
156a70a12d
hex443657ef

1144412143 has 8 divisors (see below), whose sum is σ = 1308163712. Its totient is φ = 980726616.

The previous prime is 1144412119. The next prime is 1144412147. The reversal of 1144412143 is 3412144411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1144412143 - 213 = 1144403951 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 (1144412147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28996 + ... + 55942.

It is an arithmetic number, because the mean of its divisors is an integer number (163520464).

Almost surely, 21144412143 is an apocalyptic number.

1144412143 is a deficient number, since it is larger than the sum of its proper divisors (163751569).

1144412143 is an equidigital number, since it uses as much as digits as its factorization.

1144412143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33021.

The product of its digits is 1536, while the sum is 25.

The square root of 1144412143 is about 33829.1611335546. The cubic root of 1144412143 is about 1045.9898873243.

Adding to 1144412143 its reverse (3412144411), we get a palindrome (4556556554).

The spelling of 1144412143 in words is "one billion, one hundred forty-four million, four hundred twelve thousand, one hundred forty-three".

Divisors: 1 7 6067 26947 42469 188629 163487449 1144412143