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132321130221 = 372900143743
BaseRepresentation
bin111101100111011110…
…1000011011011101101
3110122112200112212200210
41323032331003123231
54131443202131341
6140442033013033
712363020022600
oct1731675033355
9418480485623
10132321130221
1151131912675
122178a0b4179
13c629a37677
146593878337
153696a0ac16
hex1ecef436ed

132321130221 has 12 divisors (see below), whose sum is σ = 205232773632. Its totient is φ = 75612074328.

The previous prime is 132321130219. The next prime is 132321130243. The reversal of 132321130221 is 122031123231.

It is not a de Polignac number, because 132321130221 - 21 = 132321130219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132321130621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 450071725 + ... + 450072018.

It is an arithmetic number, because the mean of its divisors is an integer number (17102731136).

Almost surely, 2132321130221 is an apocalyptic number.

It is an amenable number.

132321130221 is a deficient number, since it is larger than the sum of its proper divisors (72911643411).

132321130221 is an equidigital number, since it uses as much as digits as its factorization.

132321130221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900143760 (or 900143753 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 132321130221 its reverse (122031123231), we get a palindrome (254352253452).

The spelling of 132321130221 in words is "one hundred thirty-two billion, three hundred twenty-one million, one hundred thirty thousand, two hundred twenty-one".

Divisors: 1 3 7 21 49 147 900143743 2700431229 6301006201 18903018603 44107043407 132321130221