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68164718 = 243792613
BaseRepresentation
bin1000001000000…
…01110001101110
311202021010102012
410010001301232
5114422232333
610433001222
71455250646
oct404016156
9152233365
1068164718
1135528186
121a9b3212
131117836b
1490a5526
155eb6e48
hex4101c6e

68164718 has 8 divisors (see below), whose sum is σ = 104625048. Its totient is φ = 33289704.

The previous prime is 68164717. The next prime is 68164727. The reversal of 68164718 is 81746186.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68164717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396221 + ... + 396392.

It is an arithmetic number, because the mean of its divisors is an integer number (13078131).

Almost surely, 268164718 is an apocalyptic number.

68164718 is a deficient number, since it is larger than the sum of its proper divisors (36460330).

68164718 is a wasteful number, since it uses less digits than its factorization.

68164718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792658.

The product of its digits is 64512, while the sum is 41.

The square root of 68164718 is about 8256.1927060843. The cubic root of 68164718 is about 408.4948140809.

The spelling of 68164718 in words is "sixty-eight million, one hundred sixty-four thousand, seven hundred eighteen".

Divisors: 1 2 43 86 792613 1585226 34082359 68164718