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388308255353 is a prime number
BaseRepresentation
bin1011010011010001111…
…10011100001001111001
31101010021212111012111022
411221220332130021321
522330223403132403
6454215241312225
740024432465634
oct5515076341171
91333255435438
10388308255353
1113a753983617
126330b795675
132a804305045
1414b194a6c1b
15a17a267d38
hex5a68f9c279

388308255353 has 2 divisors, whose sum is σ = 388308255354. Its totient is φ = 388308255352.

The previous prime is 388308255341. The next prime is 388308255403. The reversal of 388308255353 is 353552803883.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 339040681984 + 49267573369 = 582272^2 + 221963^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-388308255353 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 388308255295 and 388308255304.

It is not a weakly prime, because it can be changed into another prime (388308255323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194154127676 + 194154127677.

It is an arithmetic number, because the mean of its divisors is an integer number (194154127677).

Almost surely, 2388308255353 is an apocalyptic number.

It is an amenable number.

388308255353 is a deficient number, since it is larger than the sum of its proper divisors (1).

388308255353 is an equidigital number, since it uses as much as digits as its factorization.

388308255353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368000, while the sum is 53.

The spelling of 388308255353 in words is "three hundred eighty-eight billion, three hundred eight million, two hundred fifty-five thousand, three hundred fifty-three".