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42833987982 = 23216714249497
BaseRepresentation
bin100111111001000110…
…101100100110001110
311002120011201001011100
4213321012230212032
51200211000103412
631402213003530
73044315614302
oct477106544616
9132504631140
1042833987982
1117190740175
1283750235a6
13406824ca26
142104b1bd02
1511aa6d6edc
hex9f91ac98e

42833987982 has 24 divisors (see below), whose sum is σ = 93362710896. Its totient is φ = 14192498016.

The previous prime is 42833987971. The next prime is 42833988073. The reversal of 42833987982 is 28978933824.

42833987982 is a `hidden beast` number, since 428 + 33 + 98 + 7 + 98 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7121743 + ... + 7127754.

It is an arithmetic number, because the mean of its divisors is an integer number (3890112954).

Almost surely, 242833987982 is an apocalyptic number.

42833987982 is an abundant number, since it is smaller than the sum of its proper divisors (50528722914).

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

42833987982 is a wasteful number, since it uses less digits than its factorization.

42833987982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14249672 (or 14249669 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 63.

The spelling of 42833987982 in words is "forty-two billion, eight hundred thirty-three million, nine hundred eighty-seven thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 9 18 167 334 501 1002 1503 3006 14249497 28498994 42748491 85496982 128245473 256490946 2379665999 4759331998 7138997997 14277995994 21416993991 42833987982