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9990000369384 = 23371740912017121
BaseRepresentation
bin1001000101011111101001…
…1011000101111011101000
31022101000221022011101101220
42101113322123011323220
52302134010043310014
633125202014142040
72050516344031260
oct221277233057350
938330838141356
109990000369384
11320180a851592
121154166ab1920
1357608c56a229
142677390647a0
15124ce21096a9
hex915fa6c5ee8

9990000369384 has 256 divisors, whose sum is σ = 30325225305600. Its totient is φ = 2677211136000.

The previous prime is 9990000369379. The next prime is 9990000369431. The reversal of 9990000369384 is 4839630000999.

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, 1402889344 + ... + 1402896464.

It is an arithmetic number, because the mean of its divisors is an integer number (118457911350).

Almost surely, 29990000369384 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 9990000369384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15162612652800).

9990000369384 is an abundant number, since it is smaller than the sum of its proper divisors (20335224936216).

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

9990000369384 is a wasteful number, since it uses less digits than its factorization.

9990000369384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8764 (or 8760 counting only the distinct ones).

The product of its (nonzero) digits is 11337408, while the sum is 60.

The spelling of 9990000369384 in words is "nine trillion, nine hundred ninety billion, three hundred sixty-nine thousand, three hundred eighty-four".