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9813683540 = 2251925825483
BaseRepresentation
bin10010010001111000…
…01110110101010100
3221022221011202222202
421020330032311110
5130044300333130
64301445144032
7465122635163
oct111074166524
927287152882
109813683540
114186628771
121a9a6bb018
13c0521454b
146915033da
153c6858145
hex248f0ed54

9813683540 has 24 divisors (see below), whose sum is σ = 21693406560. Its totient is φ = 3718869408.

The previous prime is 9813683479. The next prime is 9813683603. The reversal of 9813683540 is 453863189.

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, 12912362 + ... + 12913121.

It is an arithmetic number, because the mean of its divisors is an integer number (903891940).

Almost surely, 29813683540 is an apocalyptic number.

It is an amenable number.

9813683540 is an abundant number, since it is smaller than the sum of its proper divisors (11879723020).

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

9813683540 is a wasteful number, since it uses less digits than its factorization.

9813683540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25825511 (or 25825509 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 9813683540 is about 99064.0375716637. The cubic root of 9813683540 is about 2140.9704990458.

The spelling of 9813683540 in words is "nine billion, eight hundred thirteen million, six hundred eighty-three thousand, five hundred forty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 25825483 51650966 103301932 129127415 258254830 490684177 516509660 981368354 1962736708 2453420885 4906841770 9813683540