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68320541210 = 2568231001327
BaseRepresentation
bin111111101000001110…
…001011101000011010
320112100101011002112012
4333220032023220122
52104410024304320
651215214145522
74636022006225
oct775016135032
9215311132465
1068320541210
1126a7a1898a9
12112a84b22a2
13659a51095c
14344195a5bc
151b9ce684c5
hexfe838ba1a

68320541210 has 16 divisors (see below), whose sum is σ = 122995120896. Its totient is φ = 27324183888.

The previous prime is 68320541209. The next prime is 68320541251. The reversal of 68320541210 is 1214502386.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432434 + ... + 568893.

It is an arithmetic number, because the mean of its divisors is an integer number (7687195056).

Almost surely, 268320541210 is an apocalyptic number.

68320541210 is a deficient number, since it is larger than the sum of its proper divisors (54674579686).

68320541210 is a wasteful number, since it uses less digits than its factorization.

68320541210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008157.

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 68320541210 in words is "sixty-eight billion, three hundred twenty million, five hundred forty-one thousand, two hundred ten".

Divisors: 1 2 5 10 6823 13646 34115 68230 1001327 2002654 5006635 10013270 6832054121 13664108242 34160270605 68320541210