Search a number
-
+
2140341243 = 31934498233
BaseRepresentation
bin111111110010011…
…0000001111111011
312112011102121012220
41333210300033323
513340411404433
6552214535123
7104016412635
oct17744601773
95464377186
102140341243
119a9192067
124b89674a3
13281573b11
1416438ba55
15c7d852b3
hex7f9303fb

2140341243 has 16 divisors (see below), whose sum is σ = 2875312800. Its totient is φ = 1416167424.

The previous prime is 2140341209. The next prime is 2140341251. The reversal of 2140341243 is 3421430412.

It is not a de Polignac number, because 2140341243 - 213 = 2140333051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2140341443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255855 + ... + 264087.

It is an arithmetic number, because the mean of its divisors is an integer number (179707050).

Almost surely, 22140341243 is an apocalyptic number.

2140341243 is a deficient number, since it is larger than the sum of its proper divisors (734971557).

2140341243 is a wasteful number, since it uses less digits than its factorization.

2140341243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8878.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2140341243 is about 46263.8221832135. The cubic root of 2140341243 is about 1288.7272351283.

Adding to 2140341243 its reverse (3421430412), we get a palindrome (5561771655).

The spelling of 2140341243 in words is "two billion, one hundred forty million, three hundred forty-one thousand, two hundred forty-three".

Divisors: 1 3 193 449 579 1347 8233 24699 86657 259971 1588969 3696617 4766907 11089851 713447081 2140341243