Base | Representation |
---|---|
bin | 1010111100011110… |
… | …1110011100011111 |
3 | 21120202102210111222 |
4 | 2233013232130133 |
5 | 22004114204142 |
6 | 1203312203555 |
7 | 132543624410 |
oct | 25707563437 |
9 | 7522383458 |
10 | 2938038047 |
11 | 127849a51a |
12 | 69bb395bb |
13 | 37a8cb569 |
14 | 1dc2b7807 |
15 | 122e04bd2 |
hex | af1ee71f |
2938038047 has 4 divisors (see below), whose sum is σ = 3357757776. Its totient is φ = 2518318320.
The previous prime is 2938038043. The next prime is 2938038049. The reversal of 2938038047 is 7408308392.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 2938038047 - 22 = 2938038043 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2938037989 and 2938038007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2938038041) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209859854 + ... + 209859867.
It is an arithmetic number, because the mean of its divisors is an integer number (839439444).
Almost surely, 22938038047 is an apocalyptic number.
2938038047 is a deficient number, since it is larger than the sum of its proper divisors (419719729).
2938038047 is an equidigital number, since it uses as much as digits as its factorization.
2938038047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 419719728.
The product of its (nonzero) digits is 290304, while the sum is 44.
The square root of 2938038047 is about 54203.6718959149. The cubic root of 2938038047 is about 1432.2510143743.
The spelling of 2938038047 in words is "two billion, nine hundred thirty-eight million, thirty-eight thousand, forty-seven".
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