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68242558606 = 280094260367
BaseRepresentation
bin111111100011100100…
…101100111010001110
320112010221102011111121
4333203210230322032
52104230043333411
651203350511154
74634054114545
oct774344547216
9215127364447
1068242558606
1126a3a166372
12112863654ba
1365873088c1
14343545b15c
151b961b2571
hexfe392ce8e

68242558606 has 8 divisors (see below), whose sum is σ = 102376643040. Its totient is φ = 34117010928.

The previous prime is 68242558577. The next prime is 68242558607. The reversal of 68242558606 is 60685524286.

It is a happy number.

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 (68242558607) 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, 2114166 + ... + 2146201.

It is an arithmetic number, because the mean of its divisors is an integer number (12797080380).

Almost surely, 268242558606 is an apocalyptic number.

68242558606 is a deficient number, since it is larger than the sum of its proper divisors (34134084434).

68242558606 is a wasteful number, since it uses less digits than its factorization.

68242558606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4268378.

The product of its (nonzero) digits is 5529600, while the sum is 52.

The spelling of 68242558606 in words is "sixty-eight billion, two hundred forty-two million, five hundred fifty-eight thousand, six hundred six".

Divisors: 1 2 8009 16018 4260367 8520734 34121279303 68242558606