Base | Representation |
---|---|
bin | 10001100101111001000110… |
… | …11100110010110011001111 |
3 | 12001222021200121120222001200 |
4 | 20302330203130302303033 |
5 | 20032310111441420433 |
6 | 214135451133440543 |
7 | 11101632261355143 |
oct | 1062744334626317 |
9 | 161867617528050 |
10 | 38685365185743 |
11 | 1136540a138371 |
12 | 4409596640153 |
13 | 18780254c6523 |
14 | 97a54b40b223 |
15 | 4714660ba613 |
hex | 232f23732ccf |
38685365185743 has 12 divisors (see below), whose sum is σ = 55878915143688. Its totient is φ = 25790218386480.
The previous prime is 38685365185723. The next prime is 38685365185801. The reversal of 38685365185743 is 34758156358683.
38685365185743 is a `hidden beast` number, since 3 + 8 + 6 + 8 + 5 + 36 + 5 + 18 + 574 + 3 = 666.
It is not a de Polignac number, because 38685365185743 - 214 = 38685365169359 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38685365185723) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15308896 + ... + 17655962.
It is an arithmetic number, because the mean of its divisors is an integer number (4656576261974).
Almost surely, 238685365185743 is an apocalyptic number.
38685365185743 is a deficient number, since it is larger than the sum of its proper divisors (17193549957945).
38685365185743 is a wasteful number, since it uses less digits than its factorization.
38685365185743 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4178454 (or 4178451 counting only the distinct ones).
The product of its digits is 1741824000, while the sum is 72.
The spelling of 38685365185743 in words is "thirty-eight trillion, six hundred eighty-five billion, three hundred sixty-five million, one hundred eighty-five thousand, seven hundred forty-three".
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