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388670675873 is a prime number
BaseRepresentation
bin1011010011111101001…
…00111101101110100001
31101011020010110001222112
411221332210331232201
522331444143111443
6454315225245105
740036423143344
oct5517644755641
91334203401875
10388670675873
1113a91a511507
12633b1033795
132a86141975c
1414b5168845b
15a19bea6b18
hex5a7e93dba1

388670675873 has 2 divisors, whose sum is σ = 388670675874. Its totient is φ = 388670675872.

The previous prime is 388670675849. The next prime is 388670675879. The reversal of 388670675873 is 378576076883.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 362341394704 + 26329281169 = 601948^2 + 162263^2 .

It is an emirp because it is prime and its reverse (378576076883) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-388670675873 is a prime.

It is not a weakly prime, because it can be changed into another prime (388670675879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194335337936 + 194335337937.

It is an arithmetic number, because the mean of its divisors is an integer number (194335337937).

Almost surely, 2388670675873 is an apocalyptic number.

It is an amenable number.

388670675873 is a deficient number, since it is larger than the sum of its proper divisors (1).

388670675873 is an equidigital number, since it uses as much as digits as its factorization.

388670675873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 284497920, while the sum is 68.

The spelling of 388670675873 in words is "three hundred eighty-eight billion, six hundred seventy million, six hundred seventy-five thousand, eight hundred seventy-three".