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20850616112 = 241968587553
BaseRepresentation
bin10011011010110010…
…110010011100110000
31222211010010001012012
4103122302302130300
5320200224203422
613324553022052
71335461212154
oct233262623460
958733101165
1020850616112
11892a6a1547
12405a9b4928
131c739a0491
14101b269064
158207904e2
hex4dacb2730

20850616112 has 20 divisors (see below), whose sum is σ = 42524283480. Its totient is φ = 9876607488.

The previous prime is 20850616099. The next prime is 20850616139. The reversal of 20850616112 is 21161605802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34293473 + ... + 34294080.

It is an arithmetic number, because the mean of its divisors is an integer number (2126214174).

Almost surely, 220850616112 is an apocalyptic number.

It is an amenable number.

20850616112 is an abundant number, since it is smaller than the sum of its proper divisors (21673667368).

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

20850616112 is a wasteful number, since it uses less digits than its factorization.

20850616112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68587580 (or 68587574 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The spelling of 20850616112 in words is "twenty billion, eight hundred fifty million, six hundred sixteen thousand, one hundred twelve".

Divisors: 1 2 4 8 16 19 38 76 152 304 68587553 137175106 274350212 548700424 1097400848 1303163507 2606327014 5212654028 10425308056 20850616112