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133121320332 = 2237111349122571
BaseRepresentation
bin111101111111010100…
…1100010010110001100
3110201121110020202011120
41323332221202112030
54140113024222312
6141053255520540
712421604360430
oct1737651422614
9421543222146
10133121320332
1151502573310
1221972089150
13c726755c40
14662bc529c0
1536e1dbe28c
hex1efea6258c

133121320332 has 192 divisors, whose sum is σ = 417919315968. Its totient is φ = 31850784000.

The previous prime is 133121320313. The next prime is 133121320357. The reversal of 133121320332 is 233023121331.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5886607 + ... + 5909177.

It is an arithmetic number, because the mean of its divisors is an integer number (2176663104).

Almost surely, 2133121320332 is an apocalyptic number.

133121320332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133121320332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208959657984).

133121320332 is an abundant number, since it is smaller than the sum of its proper divisors (284797995636).

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

133121320332 is a wasteful number, since it uses less digits than its factorization.

133121320332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23100 (or 23098 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 133121320332 its reverse (233023121331), we get a palindrome (366144441663).

The spelling of 133121320332 in words is "one hundred thirty-three billion, one hundred twenty-one million, three hundred twenty thousand, three hundred thirty-two".