Base | Representation |
---|---|
bin | 10001011110011110001111… |
… | …10000101010000111110111 |
3 | 12001001220122022102122201211 |
4 | 20233033013300222013313 |
5 | 20014121001444144433 |
6 | 213422405403302251 |
7 | 11044335504452455 |
oct | 1057170760520767 |
9 | 161056568378654 |
10 | 38430423818743 |
11 | 11277284403a40 |
12 | 43880a721a987 |
13 | 1859c86797748 |
14 | 96c08463b9d5 |
15 | 4699e457c8cd |
hex | 22f3c7c2a1f7 |
38430423818743 has 32 divisors (see below), whose sum is σ = 44244596736000. Its totient is φ = 33012591361920.
The previous prime is 38430423818741. The next prime is 38430423818837. The reversal of 38430423818743 is 34781832403483.
It is a cyclic number.
It is not a de Polignac number, because 38430423818743 - 21 = 38430423818741 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38430423818741) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148763173 + ... + 149021281.
It is an arithmetic number, because the mean of its divisors is an integer number (1382643648000).
Almost surely, 238430423818743 is an apocalyptic number.
38430423818743 is a deficient number, since it is larger than the sum of its proper divisors (5814172917257).
38430423818743 is a wasteful number, since it uses less digits than its factorization.
38430423818743 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 259975.
The product of its (nonzero) digits is 37158912, while the sum is 58.
The spelling of 38430423818743 in words is "thirty-eight trillion, four hundred thirty billion, four hundred twenty-three million, eight hundred eighteen thousand, seven hundred forty-three".
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