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105656332669 is a prime number
BaseRepresentation
bin110001001100110011…
…0111011000101111101
3101002201101000210222021
41202121212323011331
53212341010121134
6120312101520141
710430156003206
oct1423146730575
9332641023867
10105656332669
11408992775a8
1218588113051
139c6a62b854
1451843705ad
152b35ada0b4
hex18999bb17d

105656332669 has 2 divisors, whose sum is σ = 105656332670. Its totient is φ = 105656332668.

The previous prime is 105656332591. The next prime is 105656332673. The reversal of 105656332669 is 966233656501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82624628025 + 23031704644 = 287445^2 + 151762^2 .

It is an emirp because it is prime and its reverse (966233656501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105656332669 - 211 = 105656330621 is a prime.

It is a super-2 number, since 2×1056563326692 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105656332469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52828166334 + 52828166335.

It is an arithmetic number, because the mean of its divisors is an integer number (52828166335).

Almost surely, 2105656332669 is an apocalyptic number.

It is an amenable number.

105656332669 is a deficient number, since it is larger than the sum of its proper divisors (1).

105656332669 is an equidigital number, since it uses as much as digits as its factorization.

105656332669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5248800, while the sum is 52.

The spelling of 105656332669 in words is "one hundred five billion, six hundred fifty-six million, three hundred thirty-two thousand, six hundred sixty-nine".