Base | Representation |
---|---|
bin | 10001011110011110010001… |
… | …10111101011111100110111 |
3 | 12001001220200121110122011210 |
4 | 20233033020313223330313 |
5 | 20014121021231012310 |
6 | 213422411310332503 |
7 | 11044336121642364 |
oct | 1057171067537467 |
9 | 161056617418153 |
10 | 38430442438455 |
11 | 11277293971231 |
12 | 43880b14ba133 |
13 | 1859c8a5b6822 |
14 | 96c086cc746b |
15 | 4699e6009820 |
hex | 22f3c8debf37 |
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".
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