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133487342220 = 223512007185291
BaseRepresentation
bin111110001010001110…
…1110011001010001100
3110202112221222120210210
41330110131303022030
54141340224422340
6141153453002420
712433640454561
oct1742435631214
9422487876723
10133487342220
1151680140a41
1221a54783410
13c78452b93b
1466646d0868
1537140c0180
hex1f1477328c

133487342220 has 48 divisors (see below), whose sum is σ = 373797704448. Its totient is φ = 35593467840.

The previous prime is 133487342203. The next prime is 133487342221. The reversal of 133487342220 is 22243784331.

It is not an unprimeable number, because it can be changed into a prime (133487342221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 627775 + ... + 813065.

It is an arithmetic number, because the mean of its divisors is an integer number (7787452176).

Almost surely, 2133487342220 is an apocalyptic number.

133487342220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133487342220 is an abundant number, since it is smaller than the sum of its proper divisors (240310362228).

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

133487342220 is a wasteful number, since it uses less digits than its factorization.

133487342220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197310 (or 197308 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 39.

The spelling of 133487342220 in words is "one hundred thirty-three billion, four hundred eighty-seven million, three hundred forty-two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 12007 24014 36021 48028 60035 72042 120070 144084 180105 185291 240140 360210 370582 555873 720420 741164 926455 1111746 1852910 2223492 2779365 3705820 5558730 11117460 2224789037 4449578074 6674367111 8899156148 11123945185 13348734222 22247890370 26697468444 33371835555 44495780740 66743671110 133487342220