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121320331302 = 2320220055217
BaseRepresentation
bin111000011111101000…
…0010101100000100110
3102121011000121101112210
41300333100111200212
53441431001100202
6131422255424250
711523300541542
oct1607720254046
9377130541483
10121320331302
11474a7189615
121b619b25086
13b5958c04b1
145c2c83aa22
153250d5ec6c
hex1c3f415826

121320331302 has 8 divisors (see below), whose sum is σ = 242640662616. Its totient is φ = 40440110432.

The previous prime is 121320331277. The next prime is 121320331303. The reversal of 121320331302 is 203133023121.

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

121320331302 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121320331303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10110027603 + ... + 10110027614.

It is an arithmetic number, because the mean of its divisors is an integer number (30330082827).

Almost surely, 2121320331302 is an apocalyptic number.

121320331302 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121320331302 is a wasteful number, since it uses less digits than its factorization.

121320331302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20220055222.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 121320331302 its reverse (203133023121), we get a palindrome (324453354423).

The spelling of 121320331302 in words is "one hundred twenty-one billion, three hundred twenty million, three hundred thirty-one thousand, three hundred two".

Divisors: 1 2 3 6 20220055217 40440110434 60660165651 121320331302