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712489768207 = 72319722463971
BaseRepresentation
bin10100101111000111011…
…00110001010100001111
32112010001122012100202121
422113203230301110033
543133134340040312
61303151400233411
7102322106050630
oct12274354612417
92463048170677
10712489768207
1125518a999388
12b610346b867
1352258c13629
14266addb3887
151380081e707
hexa5e3b3150f

712489768207 has 16 divisors (see below), whose sum is σ = 853990359552. Its totient is φ = 581187831840.

The previous prime is 712489768163. The next prime is 712489768217. The reversal of 712489768207 is 702867984217.

It is a de Polignac number, because none of the positive numbers 2k-712489768207 is a prime.

It is a super-3 number, since 3×7124897682073 (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712489768217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11200269 + ... + 11263702.

It is an arithmetic number, because the mean of its divisors is an integer number (53374397472).

Almost surely, 2712489768207 is an apocalyptic number.

712489768207 is a deficient number, since it is larger than the sum of its proper divisors (141500591345).

712489768207 is a wasteful number, since it uses less digits than its factorization.

712489768207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22464198.

The product of its (nonzero) digits is 18966528, while the sum is 61.

The spelling of 712489768207 in words is "seven hundred twelve billion, four hundred eighty-nine million, seven hundred sixty-eight thousand, two hundred seven".

Divisors: 1 7 23 161 197 1379 4531 31717 22463971 157247797 516671333 3616699331 4425402287 30977816009 101784252601 712489768207