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133629471980 = 2256681473599
BaseRepresentation
bin111110001110011101…
…1111110110011101100
3110202220212102112011222
41330130323332303230
54142133121100410
6141215531202512
712440314525214
oct1743473766354
9422825375158
10133629471980
1151743398154
1221a942a6438
13c7a7b034a4
14667952b244
1537217e7955
hex1f1cefecec

133629471980 has 12 divisors (see below), whose sum is σ = 280621891200. Its totient is φ = 53451788784.

The previous prime is 133629471931. The next prime is 133629472013. The reversal of 133629471980 is 89174926331.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3340736780 + ... + 3340736819.

It is an arithmetic number, because the mean of its divisors is an integer number (23385157600).

Almost surely, 2133629471980 is an apocalyptic number.

133629471980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133629471980 is an abundant number, since it is smaller than the sum of its proper divisors (146992419220).

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

133629471980 is a wasteful number, since it uses less digits than its factorization.

133629471980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6681473608 (or 6681473606 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 53.

The spelling of 133629471980 in words is "one hundred thirty-three billion, six hundred twenty-nine million, four hundred seventy-one thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 6681473599 13362947198 26725894396 33407367995 66814735990 133629471980