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121328342304 = 253131755710267
BaseRepresentation
bin111000011111110111…
…0111001010100100000
3102121011120200101120120
41300333232321110200
53441440023423204
6131423143240240
711523425615331
oct1607756712440
9377146611516
10121328342304
1147500760384
121b620749080
13b597466930
145c2d924288
1532518e36d9
hex1c3fbb9520

121328342304 has 192 divisors, whose sum is σ = 363848962176. Its totient is φ = 35069313024.

The previous prime is 121328342263. The next prime is 121328342309. The reversal of 121328342304 is 403243823121.

It is not an unprimeable number, because it can be changed into a prime (121328342309) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11812179 + ... + 11822445.

It is an arithmetic number, because the mean of its divisors is an integer number (1895046678).

Almost surely, 2121328342304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121328342304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181924481088).

121328342304 is an abundant number, since it is smaller than the sum of its proper divisors (242520619872).

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

121328342304 is a wasteful number, since it uses less digits than its factorization.

121328342304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10867 (or 10859 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The spelling of 121328342304 in words is "one hundred twenty-one billion, three hundred twenty-eight million, three hundred forty-two thousand, three hundred four".