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121758048708064 = 2519790725326919
BaseRepresentation
bin11011101011110100000001…
…001111011110010111100000
3120222002221210202120202120221
4123223310001033132113200
5111424340440432124224
61110542513030012424
734434504644506516
oct3353640117362740
9528087722522527
10121758048708064
11358833312a729a
12117a56381a7114
1352c297226a5c2
14220d19a0544b6
15e123162366e4
hex6ebd013de5e0

121758048708064 has 48 divisors (see below), whose sum is σ = 252359457033600. Its totient is φ = 57667568747904.

The previous prime is 121758048708041. The next prime is 121758048708071. The reversal of 121758048708064 is 460807840857121.

It is a junction number, because it is equal to n+sod(n) for n = 121758048707993 and 121758048708011.

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, 7856004 + ... + 17470915.

It is an arithmetic number, because the mean of its divisors is an integer number (5257488688200).

Almost surely, 2121758048708064 is an apocalyptic number.

It is an amenable number.

121758048708064 is an abundant number, since it is smaller than the sum of its proper divisors (130601408325536).

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

121758048708064 is a wasteful number, since it uses less digits than its factorization.

121758048708064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25334855 (or 25334847 counting only the distinct ones).

The product of its (nonzero) digits is 24084480, while the sum is 61.

The spelling of 121758048708064 in words is "one hundred twenty-one trillion, seven hundred fifty-eight billion, forty-eight million, seven hundred eight thousand, sixty-four".

Divisors: 1 2 4 8 16 19 32 38 76 152 304 608 7907 15814 31628 63256 126512 150233 253024 300466 600932 1201864 2403728 4807456 25326919 50653838 101307676 202615352 405230704 481211461 810461408 962422922 1924845844 3849691688 7699383376 15398766752 200259948533 400519897066 801039794132 1602079588264 3204159176528 3804939022127 6408318353056 7609878044254 15219756088508 30439512177016 60879024354032 121758048708064