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388042975141 is a prime number
BaseRepresentation
bin1011010010110010010…
…10011110011110100101
31101002121101022120110021
411221121022132132211
522324203000201031
6454133043355141
740015031603143
oct5513112363645
91332541276407
10388042975141
1113a628163678
1263256982ab1
132a7913725c3
1414ad2170593
15a161d16511
hex5a5929e7a5

388042975141 has 2 divisors, whose sum is σ = 388042975142. Its totient is φ = 388042975140.

The previous prime is 388042975097. The next prime is 388042975153. The reversal of 388042975141 is 141579240883.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 362790587041 + 25252388100 = 602321^2 + 158910^2 .

It is an emirp because it is prime and its reverse (141579240883) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 388042975141 - 211 = 388042973093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (388042975241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194021487570 + 194021487571.

It is an arithmetic number, because the mean of its divisors is an integer number (194021487571).

Almost surely, 2388042975141 is an apocalyptic number.

It is an amenable number.

388042975141 is a deficient number, since it is larger than the sum of its proper divisors (1).

388042975141 is an equidigital number, since it uses as much as digits as its factorization.

388042975141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 388042975141 in words is "three hundred eighty-eight billion, forty-two million, nine hundred seventy-five thousand, one hundred forty-one".