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1143053141 = 9711784053
BaseRepresentation
bin100010000100001…
…1001101101010101
32221122212010010112
41010020121231111
54320110200031
6305231332405
740216535306
oct10410315525
92848763115
101143053141
1153725081a
1227a981105
13152a76109
14abb487ad
156a53c62b
hex44219b55

1143053141 has 4 divisors (see below), whose sum is σ = 1154837292. Its totient is φ = 1131268992.

The previous prime is 1143053137. The next prime is 1143053147. The reversal of 1143053141 is 1413503411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 286320241 + 856732900 = 16921^2 + 29270^2 .

It is a cyclic number.

It is not a de Polignac number, because 1143053141 - 22 = 1143053137 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 (1143053147) 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, 5891930 + ... + 5892123.

It is an arithmetic number, because the mean of its divisors is an integer number (288709323).

Almost surely, 21143053141 is an apocalyptic number.

It is an amenable number.

1143053141 is a deficient number, since it is larger than the sum of its proper divisors (11784151).

1143053141 is an equidigital number, since it uses as much as digits as its factorization.

1143053141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11784150.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1143053141 is about 33809.0689164904. The cubic root of 1143053141 is about 1045.5756818266.

Adding to 1143053141 its reverse (1413503411), we get a palindrome (2556556552).

The spelling of 1143053141 in words is "one billion, one hundred forty-three million, fifty-three thousand, one hundred forty-one".

Divisors: 1 97 11784053 1143053141