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68202116 = 2259328753
BaseRepresentation
bin1000001000010…
…10111010000100
311202100000201022
410010022322010
5114424431431
610433450312
71455464663
oct404127204
9152300638
1068202116
1135553294
121aa10998
131118c3a8
1490b4dda
155ec307b
hex410ae84

68202116 has 12 divisors (see below), whose sum is σ = 119559132. Its totient is φ = 34042368.

The previous prime is 68202091. The next prime is 68202119. The reversal of 68202116 is 61120286.

It can be written as a sum of positive squares in 2 ways, for example, as 54169600 + 14032516 = 7360^2 + 3746^2 .

It is not an unprimeable number, because it can be changed into a prime (68202119) 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, 12005 + ... + 16748.

It is an arithmetic number, because the mean of its divisors is an integer number (9963261).

Almost surely, 268202116 is an apocalyptic number.

It is an amenable number.

68202116 is a deficient number, since it is larger than the sum of its proper divisors (51357016).

68202116 is a wasteful number, since it uses less digits than its factorization.

68202116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29350 (or 29348 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 68202116 is about 8258.4572409137. The cubic root of 68202116 is about 408.5695061724.

The spelling of 68202116 in words is "sixty-eight million, two hundred two thousand, one hundred sixteen".

Divisors: 1 2 4 593 1186 2372 28753 57506 115012 17050529 34101058 68202116