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132220220021 = 654720195543
BaseRepresentation
bin111101100100011110…
…0000111001001110101
3110122021122200002220222
41323020330013021311
54131241334020041
6140424030104125
712360353220011
oct1731074071165
9418248602828
10132220220021
115108a95a30a
122176034b045
13c611b657a6
1465842cb541
15368cc2674b
hex1ec8f07275

132220220021 has 4 divisors (see below), whose sum is σ = 132240422112. Its totient is φ = 132200017932.

The previous prime is 132220219987. The next prime is 132220220029. The reversal of 132220220021 is 120022022231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 120022022231 = 490572446583.

It is a cyclic number.

It is not a de Polignac number, because 132220220021 - 214 = 132220203637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132220220029) 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, 10091225 + ... + 10104318.

It is an arithmetic number, because the mean of its divisors is an integer number (33060105528).

Almost surely, 2132220220021 is an apocalyptic number.

It is an amenable number.

132220220021 is a deficient number, since it is larger than the sum of its proper divisors (20202091).

132220220021 is an equidigital number, since it uses as much as digits as its factorization.

132220220021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20202090.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 132220220021 its reverse (120022022231), we get a palindrome (252242242252).

The spelling of 132220220021 in words is "one hundred thirty-two billion, two hundred twenty million, two hundred twenty thousand, twenty-one".

Divisors: 1 6547 20195543 132220220021