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132123231221 = 733299548623
BaseRepresentation
bin111101100001100101…
…0001000001111110101
3110122000220011120022012
41323003022020033311
54131042021344341
6140410243214005
712355064635562
oct1730312101765
9418026146265
10132123231221
1151040135183
1221733977305
13c5c7a37777
146575481869
1536844690eb
hex1ec32883f5

132123231221 has 8 divisors (see below), whose sum is σ = 133973980800. Its totient is φ = 130273585632.

The previous prime is 132123231173. The next prime is 132123231269. The reversal of 132123231221 is 122132321231.

It is an interprime number because it is at equal distance from previous prime (132123231173) and next prime (132123231269).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 132123231221 - 26 = 132123231157 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 (132123831221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33485 + ... + 515138.

It is an arithmetic number, because the mean of its divisors is an integer number (16746747600).

Almost surely, 2132123231221 is an apocalyptic number.

It is an amenable number.

132123231221 is a deficient number, since it is larger than the sum of its proper divisors (1850749579).

132123231221 is an equidigital number, since it uses as much as digits as its factorization.

132123231221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551995.

The product of its digits is 864, while the sum is 23.

Adding to 132123231221 its reverse (122132321231), we get a palindrome (254255552452).

The spelling of 132123231221 in words is "one hundred thirty-two billion, one hundred twenty-three million, two hundred thirty-one thousand, two hundred twenty-one".

Divisors: 1 73 3299 240827 548623 40049479 1809907277 132123231221