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9420244992 = 211321937727
BaseRepresentation
bin10001100010111110…
…11000100000000000
3220022111212000202200
420301133120200000
5123243040314432
64154432313200
7452304522054
oct106137304000
926274760680
109420244992
113aa4534544
1219aa9a2800
13b7185c682
14655169c64
153a203da7c
hex2317d8800

9420244992 has 288 divisors, whose sum is σ = 29453860800. Its totient is φ = 2890432512.

The previous prime is 9420244879. The next prime is 9420245057. The reversal of 9420244992 is 2994420249.

It is a tau number, because it is divible by the number of its divisors (288).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12957333 + ... + 12958059.

It is an arithmetic number, because the mean of its divisors is an integer number (102270350).

Almost surely, 29420244992 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 9420244992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14726930400).

9420244992 is an abundant number, since it is smaller than the sum of its proper divisors (20033615808).

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

9420244992 is a wasteful number, since it uses less digits than its factorization.

9420244992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811 (or 788 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 9420244992 is about 97057.9465680168. The cubic root of 9420244992 is about 2111.9683190840.

The spelling of 9420244992 in words is "nine billion, four hundred twenty million, two hundred forty-four thousand, nine hundred ninety-two".