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38430442755253 is a prime number
BaseRepresentation
bin10001011110011110010001…
…11000111001010010110101
312001001220200122001201202001
420233033020320321102311
520014121021321132003
6213422411321215301
711044336124432113
oct1057171070712265
9161056618051661
1038430442755253
111127729406824a
1243880b1631531
131859c8a697a93
1496c086d6aab3
154699e606d61d
hex22f3c8e394b5

38430442755253 has 2 divisors, whose sum is σ = 38430442755254. Its totient is φ = 38430442755252.

The previous prime is 38430442755179. The next prime is 38430442755307. The reversal of 38430442755253 is 35255724403483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19537876307889 + 18892566447364 = 4420167^2 + 4346558^2 .

It is a cyclic number.

It is not a de Polignac number, because 38430442755253 - 237 = 38293003801781 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38430442755194 and 38430442755203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38430442755953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19215221377626 + 19215221377627.

It is an arithmetic number, because the mean of its divisors is an integer number (19215221377627).

Almost surely, 238430442755253 is an apocalyptic number.

It is an amenable number.

38430442755253 is a deficient number, since it is larger than the sum of its proper divisors (1).

38430442755253 is an equidigital number, since it uses as much as digits as its factorization.

38430442755253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384000, while the sum is 55.

The spelling of 38430442755253 in words is "thirty-eight trillion, four hundred thirty billion, four hundred forty-two million, seven hundred fifty-five thousand, two hundred fifty-three".