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9805988948 = 227675227073
BaseRepresentation
bin10010010000111101…
…11000010001010100
3221022101200211222212
421020132320101110
5130040313121243
64301012212552
7465000350030
oct111036702124
927271624885
109805988948
1141822526a8
121a9800a158
13c0374c132
1469049d1c0
153c5d38318
hex2487b8454

9805988948 has 24 divisors (see below), whose sum is σ = 19904697792. Its totient is φ = 4139841024.

The previous prime is 9805988873. The next prime is 9805989007. The reversal of 9805988948 is 8498895089.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2611661 + ... + 2615412.

It is an arithmetic number, because the mean of its divisors is an integer number (829362408).

Almost surely, 29805988948 is an apocalyptic number.

It is an amenable number.

9805988948 is an abundant number, since it is smaller than the sum of its proper divisors (10098708844).

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

9805988948 is a wasteful number, since it uses less digits than its factorization.

9805988948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5227151 (or 5227149 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 68.

The square root of 9805988948 is about 99025.1935014519. The cubic root of 9805988948 is about 2140.4107974879.

The spelling of 9805988948 in words is "nine billion, eight hundred five million, nine hundred eighty-eight thousand, nine hundred forty-eight".

Divisors: 1 2 4 7 14 28 67 134 268 469 938 1876 5227073 10454146 20908292 36589511 73179022 146358044 350213891 700427782 1400855564 2451497237 4902994474 9805988948