Search a number
-
+
2120211142 = 27951115923
BaseRepresentation
bin111111001011111…
…1101101011000110
312110202112212220121
41332113331223012
513320233224032
6550215252154
7103353332410
oct17627755306
95422485817
102120211142
11998893015
124b207a05a
1327a34640a
1416182b9b0
15c620aa97
hex7e5fdac6

2120211142 has 16 divisors (see below), whose sum is σ = 3635258112. Its totient is φ = 908509320.

The previous prime is 2120211109. The next prime is 2120211157. The reversal of 2120211142 is 2411120212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125193 + ... + 141115.

It is an arithmetic number, because the mean of its divisors is an integer number (227203632).

Almost surely, 22120211142 is an apocalyptic number.

2120211142 is a deficient number, since it is larger than the sum of its proper divisors (1515046970).

2120211142 is a wasteful number, since it uses less digits than its factorization.

2120211142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25443.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 2120211142 is about 46045.7505314008. The cubic root of 2120211142 is about 1284.6743040479.

Adding to 2120211142 its reverse (2411120212), we get a palindrome (4531331354).

The spelling of 2120211142 in words is "two billion, one hundred twenty million, two hundred eleven thousand, one hundred forty-two".

Divisors: 1 2 7 14 9511 15923 19022 31846 66577 111461 133154 222922 151443653 302887306 1060105571 2120211142