Search a number
-
+
1375140255 = 3591676017
BaseRepresentation
bin101000111110110…
…1111100110011111
310112211120100210120
41101331233212133
510304013442010
6344242010023
746035333156
oct12175574637
93484510716
101375140255
1164625a255
12324646913
1318bb86378
14d08c059d
1580ad3e70
hex51f6f99f

1375140255 has 8 divisors (see below), whose sum is σ = 2200224432. Its totient is φ = 733408128.

The previous prime is 1375140233. The next prime is 1375140259. The reversal of 1375140255 is 5520415731.

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

It is not a de Polignac number, because 1375140255 - 27 = 1375140127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375140259) 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, 45837994 + ... + 45838023.

It is an arithmetic number, because the mean of its divisors is an integer number (275028054).

Almost surely, 21375140255 is an apocalyptic number.

1375140255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1375140255 is a deficient number, since it is larger than the sum of its proper divisors (825084177).

1375140255 is an equidigital number, since it uses as much as digits as its factorization.

1375140255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91676025.

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 1375140255 is about 37082.8835852877. The cubic root of 1375140255 is about 1112.0278530086.

Adding to 1375140255 its reverse (5520415731), we get a palindrome (6895555986).

The spelling of 1375140255 in words is "one billion, three hundred seventy-five million, one hundred forty thousand, two hundred fifty-five".

Divisors: 1 3 5 15 91676017 275028051 458380085 1375140255