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68810484183 = 375347612809
BaseRepresentation
bin100000000010101101…
…1001010100111010111
320120121112001202221020
41000011123022213113
52111410440443213
651335555252223
74654121315340
oct1000533124727
9216545052836
1068810484183
11272007a7251
12114045aa073
136647b8423c
14348aa550c7
151bcae96923
hex10056ca9d7

68810484183 has 16 divisors (see below), whose sum is σ = 104873852160. Its totient is φ = 39312858816.

The previous prime is 68810484167. The next prime is 68810484199. The reversal of 68810484183 is 38148401886.

It is an interprime number because it is at equal distance from previous prime (68810484167) and next prime (68810484199).

It is not a de Polignac number, because 68810484183 - 24 = 68810484167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68810484133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194118 + ... + 418691.

It is an arithmetic number, because the mean of its divisors is an integer number (6554615760).

Almost surely, 268810484183 is an apocalyptic number.

68810484183 is a deficient number, since it is larger than the sum of its proper divisors (36063367977).

68810484183 is a wasteful number, since it uses less digits than its factorization.

68810484183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618166.

The product of its (nonzero) digits is 1179648, while the sum is 51.

The spelling of 68810484183 in words is "sixty-eight billion, eight hundred ten million, four hundred eighty-four thousand, one hundred eighty-three".

Divisors: 1 3 7 21 5347 16041 37429 112287 612809 1838427 4289663 12868989 3276689723 9830069169 22936828061 68810484183