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9328984290990 = 23257313191223491
BaseRepresentation
bin1000011111000001001011…
…0010110111011010101110
31020000211201221210101122100
42013300102302313122232
52210321224434302430
631501402021355530
71651665633051000
oct207602262673256
936024657711570
109328984290990
112a77444476221
121068029b68ba6
13528947806230
1424374d3d6370
15112a0572d960
hex87c12cb76ae

9328984290990 has 384 divisors, whose sum is σ = 32065278336000. Its totient is φ = 1864716215040.

The previous prime is 9328984290917. The next prime is 9328984291031. The reversal of 9328984290990 is 990924898239.

It is a happy number.

9328984290990 is a `hidden beast` number, since 9 + 3 + 28 + 98 + 429 + 0 + 9 + 90 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 7013145 + ... + 8236635.

It is an arithmetic number, because the mean of its divisors is an integer number (83503329000).

Almost surely, 29328984290990 is an apocalyptic number.

9328984290990 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 9328984290990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16032639168000).

9328984290990 is an abundant number, since it is smaller than the sum of its proper divisors (22736294045010).

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

9328984290990 is a wasteful number, since it uses less digits than its factorization.

9328984290990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223557 (or 1223540 counting only the distinct ones).

The product of its (nonzero) digits is 181398528, while the sum is 72.

The spelling of 9328984290990 in words is "nine trillion, three hundred twenty-eight billion, nine hundred eighty-four million, two hundred ninety thousand, nine hundred ninety".