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3888865386773 is a prime number
BaseRepresentation
bin111000100101110010011…
…100001010000100010101
3111202202211201022101210222
4320211302130022010111
51002203344014334043
612134304201324125
7550650465245303
oct70456234120425
914682751271728
103888865386773
11126a293145884
12529831196645
1322294551c173
14d63175ab273
156b259490d68
hex3897270a115

3888865386773 has 2 divisors, whose sum is σ = 3888865386774. Its totient is φ = 3888865386772.

The previous prime is 3888865386727. The next prime is 3888865386793. The reversal of 3888865386773 is 3776835688883.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3365162775844 + 523702610929 = 1834438^2 + 723673^2 .

It is a cyclic number.

It is not a de Polignac number, because 3888865386773 - 214 = 3888865370389 is a prime.

It is a super-2 number, since 2×38888653867732 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3888865386713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1944432693386 + 1944432693387.

It is an arithmetic number, because the mean of its divisors is an integer number (1944432693387).

Almost surely, 23888865386773 is an apocalyptic number.

It is an amenable number.

3888865386773 is a deficient number, since it is larger than the sum of its proper divisors (1).

3888865386773 is an equidigital number, since it uses as much as digits as its factorization.

3888865386773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7803371520, while the sum is 80.

The spelling of 3888865386773 in words is "three trillion, eight hundred eighty-eight billion, eight hundred sixty-five million, three hundred eighty-six thousand, seven hundred seventy-three".