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9984909948 = 22313173765049
BaseRepresentation
bin10010100110010010…
…11010001001111100
3221202212100222110120
421103021122021330
5130422114104243
64330443134540
7502302222426
oct112311321174
927685328416
109984909948
1142642486a2
121b27b14450
13c31835b50
146aa155816
153d68cbc83
hex25325a27c

9984909948 has 48 divisors (see below), whose sum is σ = 26566192800. Its totient is φ = 2891556864.

The previous prime is 9984909943. The next prime is 9984909953. The reversal of 9984909948 is 8499094899.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9984909943) and next prime (9984909953).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9984909943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1879873 + ... + 1885176.

It is an arithmetic number, because the mean of its divisors is an integer number (553462350).

Almost surely, 29984909948 is an apocalyptic number.

It is an amenable number.

9984909948 is an abundant number, since it is smaller than the sum of its proper divisors (16581282852).

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

9984909948 is a wasteful number, since it uses less digits than its factorization.

9984909948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3765086 (or 3765084 counting only the distinct ones).

The product of its (nonzero) digits is 60466176, while the sum is 69.

The square root of 9984909948 is about 99924.5212547951. The cubic root of 9984909948 is about 2153.3504600959.

The spelling of 9984909948 in words is "nine billion, nine hundred eighty-four million, nine hundred nine thousand, nine hundred forty-eight".

Divisors: 1 2 3 4 6 12 13 17 26 34 39 51 52 68 78 102 156 204 221 442 663 884 1326 2652 3765049 7530098 11295147 15060196 22590294 45180588 48945637 64005833 97891274 128011666 146836911 192017499 195782548 256023332 293673822 384034998 587347644 768069996 832075829 1664151658 2496227487 3328303316 4992454974 9984909948