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12968188 = 223242047
BaseRepresentation
bin110001011110…
…000011111100
3220101212000021
4301132003330
511304440223
61141541524
7215141062
oct61360374
926355007
1012968188
117358212
1244148a4
1328c08ac
141a18032
15121265d
hexc5e0fc

12968188 has 6 divisors (see below), whose sum is σ = 22694336. Its totient is φ = 6484092.

The previous prime is 12968171. The next prime is 12968209. The reversal of 12968188 is 88186921.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1621020 + ... + 1621027.

Almost surely, 212968188 is an apocalyptic number.

It is an amenable number.

12968188 is a deficient number, since it is larger than the sum of its proper divisors (9726148).

12968188 is a wasteful number, since it uses less digits than its factorization.

12968188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3242051 (or 3242049 counting only the distinct ones).

The product of its digits is 55296, while the sum is 43.

The square root of 12968188 is about 3601.1370426575. The cubic root of 12968188 is about 234.9415155503.

The spelling of 12968188 in words is "twelve million, nine hundred sixty-eight thousand, one hundred eighty-eight".

Divisors: 1 2 4 3242047 6484094 12968188