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93671930909 is a prime number
BaseRepresentation
bin101011100111101001…
…0000011110000011101
322221210011021010101102
41113033102003300131
53013320003242114
6111010550322445
76524164163324
oct1271722036035
9287704233342
1093671930909
11367a93aa137
12161a2659425
138aaa798a6b
1447688530bb
1526838eb2de
hex15cf483c1d

93671930909 has 2 divisors, whose sum is σ = 93671930910. Its totient is φ = 93671930908.

The previous prime is 93671930897. The next prime is 93671930953. The reversal of 93671930909 is 90903917639.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92296262809 + 1375668100 = 303803^2 + 37090^2 .

It is a cyclic number.

It is not a de Polignac number, because 93671930909 - 212 = 93671926813 is a prime.

It is a super-3 number, since 3×936719309093 (a number of 34 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93671930999) 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, 46835965454 + 46835965455.

It is an arithmetic number, because the mean of its divisors is an integer number (46835965455).

Almost surely, 293671930909 is an apocalyptic number.

It is an amenable number.

93671930909 is a deficient number, since it is larger than the sum of its proper divisors (1).

93671930909 is an equidigital number, since it uses as much as digits as its factorization.

93671930909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2480058, while the sum is 56.

The spelling of 93671930909 in words is "ninety-three billion, six hundred seventy-one million, nine hundred thirty thousand, nine hundred nine".