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105117210677 is a prime number
BaseRepresentation
bin110000111100101111…
…0010101100000110101
3101001022210120120122002
41201321132111200311
53210240001220202
6120142402345045
710410621356033
oct1417136254065
9331283516562
10105117210677
1140641a1a236
121845765b185
139bb2a2975b
145132913553
152b035e5302
hex1879795835

105117210677 has 2 divisors, whose sum is σ = 105117210678. Its totient is φ = 105117210676.

The previous prime is 105117210619. The next prime is 105117210703. The reversal of 105117210677 is 776012711501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89452435396 + 15664775281 = 299086^2 + 125159^2 .

It is an emirp because it is prime and its reverse (776012711501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105117210677 - 26 = 105117210613 is a prime.

It is a super-2 number, since 2×1051172106772 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105117210677.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105117210607) by changing a digit.

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 as a sum of consecutive naturals, namely, 52558605338 + 52558605339.

It is an arithmetic number, because the mean of its divisors is an integer number (52558605339).

Almost surely, 2105117210677 is an apocalyptic number.

It is an amenable number.

105117210677 is a deficient number, since it is larger than the sum of its proper divisors (1).

105117210677 is an equidigital number, since it uses as much as digits as its factorization.

105117210677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20580, while the sum is 38.

The spelling of 105117210677 in words is "one hundred five billion, one hundred seventeen million, two hundred ten thousand, six hundred seventy-seven".