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9942977744982 = 232975694718067
BaseRepresentation
bin1001000010110000011110…
…1010000001000001010110
31022012112120012210120021100
42100230013222001001112
52300401204300314412
633051424012130530
72044233154231662
oct220540752010126
938175505716240
109942977744982
11319387a7a6927
121147023166a46
135718075bcc19
14265357d2b8a2
1512398dd39edc
hex90b07a81056

9942977744982 has 24 divisors (see below), whose sum is σ = 21765212455896. Its totient is φ = 3280157606016.

The previous prime is 9942977744981. The next prime is 9942977745047. The reversal of 9942977744982 is 2894477792499.

9942977744982 is a `hidden beast` number, since 9 + 9 + 4 + 2 + 97 + 7 + 7 + 449 + 82 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9942977744981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2847357288 + ... + 2847360779.

It is an arithmetic number, because the mean of its divisors is an integer number (906883852329).

Almost surely, 29942977744982 is an apocalyptic number.

9942977744982 is an abundant number, since it is smaller than the sum of its proper divisors (11822234710914).

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

9942977744982 is a wasteful number, since it uses less digits than its factorization.

9942977744982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5694718172 (or 5694718169 counting only the distinct ones).

The product of its digits is 4608866304, while the sum is 81.

The spelling of 9942977744982 in words is "nine trillion, nine hundred forty-two billion, nine hundred seventy-seven million, seven hundred forty-four thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 9 18 97 194 291 582 873 1746 5694718067 11389436134 17084154201 34168308402 51252462603 102504925206 552387652499 1104775304998 1657162957497 3314325914994 4971488872491 9942977744982