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133222432240 = 2451987646337
BaseRepresentation
bin111110000010010101…
…1001111110111110000
3110201212111111202122001
41330010223033313300
54140314420312430
6141111311023344
712424242663352
oct1740453176760
9421774452561
10133222432240
1151554654177
122199bb0ab54
13c741698881
14663b4530d2
1536eabe33ca
hex1f04acfdf0

133222432240 has 40 divisors (see below), whose sum is σ = 326044377360. Its totient is φ = 50484289536.

The previous prime is 133222432193. The next prime is 133222432253. The reversal of 133222432240 is 42234222331.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 133222432199 and 133222432208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43821649 + ... + 43824688.

It is an arithmetic number, because the mean of its divisors is an integer number (8151109434).

Almost surely, 2133222432240 is an apocalyptic number.

133222432240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133222432240 is an abundant number, since it is smaller than the sum of its proper divisors (192821945120).

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

133222432240 is a wasteful number, since it uses less digits than its factorization.

133222432240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87646369 (or 87646363 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 133222432240 its reverse (42234222331), we get a palindrome (175456654571).

The spelling of 133222432240 in words is "one hundred thirty-three billion, two hundred twenty-two million, four hundred thirty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 19 20 38 40 76 80 95 152 190 304 380 760 1520 87646337 175292674 350585348 438231685 701170696 876463370 1402341392 1665280403 1752926740 3330560806 3505853480 6661121612 7011706960 8326402015 13322243224 16652804030 26644486448 33305608060 66611216120 133222432240