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68209255584670 = 2554112607995487
BaseRepresentation
bin11111000001001001101000…
…11100110001001110011110
322221111202000022002000121011
433200210310130301032132
532420020023412202140
6401022522135525434
720236645640164564
oct1740446434611636
9287452008060534
1068209255584670
111a808423625272
1277974b182987a
132c0a14a18b425
1412bb4ba3dda34
157d442c802cea
hex3e093473139e

68209255584670 has 16 divisors (see below), whose sum is σ = 123003603980928. Its totient is φ = 27233270249760.

The previous prime is 68209255584661. The next prime is 68209255584689. The reversal of 68209255584670 is 7648555290286.

68209255584670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 68209255584596 and 68209255584605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6303992334 + ... + 6304003153.

It is an arithmetic number, because the mean of its divisors is an integer number (7687725248808).

Almost surely, 268209255584670 is an apocalyptic number.

68209255584670 is a deficient number, since it is larger than the sum of its proper divisors (54794348396258).

68209255584670 is a wasteful number, since it uses less digits than its factorization.

68209255584670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12607996035.

The product of its (nonzero) digits is 290304000, while the sum is 67.

The spelling of 68209255584670 in words is "sixty-eight trillion, two hundred nine billion, two hundred fifty-five million, five hundred eighty-four thousand, six hundred seventy".

Divisors: 1 2 5 10 541 1082 2705 5410 12607995487 25215990974 63039977435 126079954870 6820925558467 13641851116934 34104627792335 68209255584670