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133719945068808 = 2334731031583537
BaseRepresentation
bin11110011001111000011001…
…110100110100000100001000
3122112110111112212221102210000
4132121320121310310010020
5120011331421414200213
61152222032242523000
740110642616113000
oct3631703164640410
9575414485842700
10133719945068808
1139675345a12a3a
1212bb79a3066460
13597c976735b87
142504119263000
15106d568daec73
hex799e19d34108

133719945068808 has 320 divisors, whose sum is σ = 437205342816000. Its totient is φ = 38168576248320.

The previous prime is 133719945068807. The next prime is 133719945068833. The reversal of 133719945068808 is 808860549917331.

133719945068808 is a `hidden beast` number, since 1 + 3 + 3 + 7 + 1 + 99 + 450 + 6 + 8 + 80 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (133719945068803) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 228862416 + ... + 229445952.

It is an arithmetic number, because the mean of its divisors is an integer number (1366266696300).

Almost surely, 2133719945068808 is an apocalyptic number.

133719945068808 is a gapful number since it is divisible by the number (18) 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 133719945068808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218602671408000).

133719945068808 is an abundant number, since it is smaller than the sum of its proper divisors (303485397747192).

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

133719945068808 is a wasteful number, since it uses less digits than its factorization.

133719945068808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584607 (or 584580 counting only the distinct ones).

The product of its (nonzero) digits is 313528320, while the sum is 72.

The spelling of 133719945068808 in words is "one hundred thirty-three trillion, seven hundred nineteen billion, nine hundred forty-five million, sixty-eight thousand, eight hundred eight".