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11938768105056 = 253131731103176237
BaseRepresentation
bin1010110110111011011000…
…0010000010111001100000
31120021100001021110112212120
42231232312002002321200
53031101044113330211
641220332214024240
72341355542336242
oct255566602027140
946240037415776
1011938768105056
113893226396951
121409991348080
13687a899818a0
142d3ba7696092
1515a84c481d06
hexadbb6082e60

11938768105056 has 384 divisors, whose sum is σ = 37246370144256. Its totient is φ = 3313349591040.

The previous prime is 11938768105049. The next prime is 11938768105081. The reversal of 11938768105056 is 65050186783911.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 67654570 + ... + 67830806.

It is an arithmetic number, because the mean of its divisors is an integer number (96995755584).

Almost surely, 211938768105056 is an apocalyptic number.

11938768105056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11938768105056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18623185072128).

11938768105056 is an abundant number, since it is smaller than the sum of its proper divisors (25307602039200).

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

11938768105056 is a wasteful number, since it uses less digits than its factorization.

11938768105056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176414 (or 176406 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 60.

The spelling of 11938768105056 in words is "eleven trillion, nine hundred thirty-eight billion, seven hundred sixty-eight million, one hundred five thousand, fifty-six".