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117939106447 = 1731440147339
BaseRepresentation
bin110110111010110110…
…1111111001010001111
3102021102101020101000121
41231311231333022033
53413014402401242
6130102552205411
711343432602251
oct1556555771217
9367371211017
10117939106447
1146021607308
121aa35699867
13b17723c426
1459cb759cd1
1531040b5667
hex1b75b7f28f

117939106447 has 8 divisors (see below), whose sum is σ = 118631578320. Its totient is φ = 117246758400.

The previous prime is 117939106403. The next prime is 117939106471. The reversal of 117939106447 is 744601939711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-117939106447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117939106394 and 117939106403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117939106487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2467704 + ... + 2515042.

It is an arithmetic number, because the mean of its divisors is an integer number (14828947290).

Almost surely, 2117939106447 is an apocalyptic number.

117939106447 is a deficient number, since it is larger than the sum of its proper divisors (692471873).

117939106447 is a wasteful number, since it uses less digits than its factorization.

117939106447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61913.

The product of its (nonzero) digits is 1143072, while the sum is 52.

The spelling of 117939106447 in words is "one hundred seventeen billion, nine hundred thirty-nine million, one hundred six thousand, four hundred forty-seven".

Divisors: 1 173 14401 47339 2491373 8189647 681728939 117939106447