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9390531883968 = 2633107199255217
BaseRepresentation
bin1000100010100110011101…
…0100010011001111000000
31020020201121022110001212000
42020221213110103033000
52212323302130241333
631545541212104000
71656305064004404
oct210514724231700
936221538401760
109390531883968
112aa055848a844
121077b46165000
135316a5a7a2c1
1424670b61b104
15114408c7c713
hex88a675133c0

9390531883968 has 224 divisors, whose sum is σ = 28004560704000. Its totient is φ = 3085328683008.

The previous prime is 9390531883961. The next prime is 9390531883969. The reversal of 9390531883968 is 8693881350939.

9390531883968 is a `hidden beast` number, since 9 + 3 + 9 + 0 + 53 + 188 + 396 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 9390531883896 and 9390531883905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9390531883961) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36666696 + ... + 36921912.

Almost surely, 29390531883968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9390531883968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14002280352000).

9390531883968 is an abundant number, since it is smaller than the sum of its proper divisors (18614028820032).

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

9390531883968 is a wasteful number, since it uses less digits than its factorization.

9390531883968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255544 (or 255528 counting only the distinct ones).

The product of its (nonzero) digits is 302330880, while the sum is 72.

The spelling of 9390531883968 in words is "nine trillion, three hundred ninety billion, five hundred thirty-one million, eight hundred eighty-three thousand, nine hundred sixty-eight".