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20585848992 = 253214435927
BaseRepresentation
bin10011001011000000…
…110010000010100000
31222010122220110222120
4103023000302002200
5314124434131432
613242414104240
71326064554312
oct231300620240
958118813876
1020585848992
1188041a2045
123ba61ab080
131c30b8a447
14dd40277b2
158073e0c2c
hex4cb0320a0

20585848992 has 24 divisors (see below), whose sum is σ = 54037853856. Its totient is φ = 6861949632.

The previous prime is 20585848937. The next prime is 20585849017. The reversal of 20585848992 is 29984858502.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107217868 + ... + 107218059.

It is an arithmetic number, because the mean of its divisors is an integer number (2251577244).

Almost surely, 220585848992 is an apocalyptic number.

It is an amenable number.

20585848992 is an abundant number, since it is smaller than the sum of its proper divisors (33452004864).

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

20585848992 is a wasteful number, since it uses less digits than its factorization.

20585848992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214435940 (or 214435932 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 60.

The spelling of 20585848992 in words is "twenty billion, five hundred eighty-five million, eight hundred forty-eight thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 214435927 428871854 643307781 857743708 1286615562 1715487416 2573231124 3430974832 5146462248 6861949664 10292924496 20585848992