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38430442438455 = 3515231682225539
BaseRepresentation
bin10001011110011110010001…
…10111101011111100110111
312001001220200121110122011210
420233033020313223330313
520014121021231012310
6213422411310332503
711044336121642364
oct1057171067537467
9161056617418153
1038430442438455
1111277293971231
1243880b14ba133
131859c8a5b6822
1496c086cc746b
154699e6009820
hex22f3c8debf37

38430442438455 has 16 divisors (see below), whose sum is σ = 61529081351040. Its totient is φ = 20482778150688.

The previous prime is 38430442438447. The next prime is 38430442438459. The reversal of 38430442438455 is 55483424403483.

It is not a de Polignac number, because 38430442438455 - 23 = 38430442438447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38430442438395 and 38430442438404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38430442438459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 841089925 + ... + 841135614.

It is an arithmetic number, because the mean of its divisors is an integer number (3845567584440).

Almost surely, 238430442438455 is an apocalyptic number.

38430442438455 is a deficient number, since it is larger than the sum of its proper divisors (23098638912585).

38430442438455 is a wasteful number, since it uses less digits than its factorization.

38430442438455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682227070.

The product of its (nonzero) digits is 88473600, while the sum is 57.

The spelling of 38430442438455 in words is "thirty-eight trillion, four hundred thirty billion, four hundred forty-two million, four hundred thirty-eight thousand, four hundred fifty-five".

Divisors: 1 3 5 15 1523 4569 7615 22845 1682225539 5046676617 8411127695 25233383085 2562029495897 7686088487691 12810147479485 38430442438455