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BaseRepresentation
bin10100110111001111111…
…11111100011001110101
32112112022222200010220121
422123213333330121311
543221110324324032
61305153002331541
7102535244601424
oct12334777743165
92475288603817
10716856870517
11257021018a47
12b6b21ab9bb1
13527a38c8738
14269a5da72bb
15139a8e0aa97
hexa6e7ffc675

716856870517 has 2 divisors, whose sum is σ = 716856870518. Its totient is φ = 716856870516.

The previous prime is 716856870503. The next prime is 716856870539. The reversal of 716856870517 is 715078658617.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 709021257156 + 7835613361 = 842034^2 + 88519^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-716856870517 is a prime.

It is a super-3 number, since 3×7168568705173 (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (716856870577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358428435258 + 358428435259.

It is an arithmetic number, because the mean of its divisors is an integer number (358428435259).

Almost surely, 2716856870517 is an apocalyptic number.

It is an amenable number.

716856870517 is a deficient number, since it is larger than the sum of its proper divisors (1).

716856870517 is an equidigital number, since it uses as much as digits as its factorization.

716856870517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19756800, while the sum is 61.

The spelling of 716856870517 in words is "seven hundred sixteen billion, eight hundred fifty-six million, eight hundred seventy thousand, five hundred seventeen".