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17864940332 = 2241108932563
BaseRepresentation
bin10000101000110101…
…010101101100101100
31201010001000222222202
4100220311111230230
5243041411042312
612112415401032
71201465326101
oct205065255454
951101028882
1017864940332
1176383250a8
123566b23178
1318b9262b15
14c16910aa8
156e85ca9c2
hex428d55b2c

17864940332 has 12 divisors (see below), whose sum is σ = 32026173816. Its totient is φ = 8714604960.

The previous prime is 17864940299. The next prime is 17864940377. The reversal of 17864940332 is 23304946871.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54466118 + ... + 54466445.

It is an arithmetic number, because the mean of its divisors is an integer number (2668847818).

Almost surely, 217864940332 is an apocalyptic number.

It is an amenable number.

17864940332 is a deficient number, since it is larger than the sum of its proper divisors (14161233484).

17864940332 is a wasteful number, since it uses less digits than its factorization.

17864940332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108932608 (or 108932606 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 17864940332 in words is "seventeen billion, eight hundred sixty-four million, nine hundred forty thousand, three hundred thirty-two".

Divisors: 1 2 4 41 82 164 108932563 217865126 435730252 4466235083 8932470166 17864940332