Search a number
-
+
1141231078 = 21343893503
BaseRepresentation
bin100010000000101…
…1100110111100110
32221112102112201201
41010001130313212
54314123343303
6305124313114
740165206211
oct10401346746
92845375651
101141231078
11536216889
1227a24279a
13152588980
14ab7d2778
156a2cc81d
hex4405cde6

1141231078 has 8 divisors (see below), whose sum is σ = 1843527168. Its totient is φ = 526722024.

The previous prime is 1141231031. The next prime is 1141231079. The reversal of 1141231078 is 8701321411.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141231079) 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, 21946726 + ... + 21946777.

It is an arithmetic number, because the mean of its divisors is an integer number (230440896).

Almost surely, 21141231078 is an apocalyptic number.

1141231078 is a deficient number, since it is larger than the sum of its proper divisors (702296090).

1141231078 is a wasteful number, since it uses less digits than its factorization.

1141231078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43893518.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 1141231078 is about 33782.1118049183. Note that the first 3 decimals coincide. The cubic root of 1141231078 is about 1045.0198260930.

Adding to 1141231078 its reverse (8701321411), we get a palindrome (9842552489).

The spelling of 1141231078 in words is "one billion, one hundred forty-one million, two hundred thirty-one thousand, seventy-eight".

Divisors: 1 2 13 26 43893503 87787006 570615539 1141231078