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2132231011 = 9721981763
BaseRepresentation
bin111111100010111…
…0100001101100011
312111121011120001221
41333011310031203
513331322343021
6551325035511
7103560443641
oct17705641543
95447146057
102132231011
119a4652799
124b60b5b97
1327c994471
1416327a191
15c72d2241
hex7f174363

2132231011 has 4 divisors (see below), whose sum is σ = 2154212872. Its totient is φ = 2110249152.

The previous prime is 2132231009. The next prime is 2132231021. The reversal of 2132231011 is 1101322312.

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

It is a cyclic number.

It is not a de Polignac number, because 2132231011 - 21 = 2132231009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2132231021) 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, 10990785 + ... + 10990978.

It is an arithmetic number, because the mean of its divisors is an integer number (538553218).

Almost surely, 22132231011 is an apocalyptic number.

2132231011 is a deficient number, since it is larger than the sum of its proper divisors (21981861).

2132231011 is an equidigital number, since it uses as much as digits as its factorization.

2132231011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21981860.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2132231011 is about 46176.0870039894. The cubic root of 2132231011 is about 1287.0974161672.

Adding to 2132231011 its reverse (1101322312), we get a palindrome (3233553323).

The spelling of 2132231011 in words is "two billion, one hundred thirty-two million, two hundred thirty-one thousand, eleven".

Divisors: 1 97 21981763 2132231011