Base | Representation |
---|---|
bin | 11011010100000010011… |
… | …01110011011110011101 |
3 | 10022201100122021200020222 |
4 | 31222001031303132131 |
5 | 110333442003000414 |
6 | 1555043313051125 |
7 | 124542115520564 |
oct | 15520115633635 |
9 | 3281318250228 |
10 | 938470750109 |
11 | 3320042aa852 |
12 | 131a6bb56aa5 |
13 | 6a660a77979 |
14 | 335ca838bdb |
15 | 19629b3c68e |
hex | da8137379d |
938470750109 has 2 divisors, whose sum is σ = 938470750110. Its totient is φ = 938470750108.
The previous prime is 938470750103. The next prime is 938470750111. The reversal of 938470750109 is 901057074839.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 938470750009 + 100 = 968747^2 + 10^2 .
It is an emirp because it is prime and its reverse (901057074839) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 938470750109 - 216 = 938470684573 is a prime.
Together with 938470750111, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (938470750103) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469235375054 + 469235375055.
It is an arithmetic number, because the mean of its divisors is an integer number (469235375055).
Almost surely, 2938470750109 is an apocalyptic number.
It is an amenable number.
938470750109 is a deficient number, since it is larger than the sum of its proper divisors (1).
938470750109 is an equidigital number, since it uses as much as digits as its factorization.
938470750109 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1905120, while the sum is 53.
The spelling of 938470750109 in words is "nine hundred thirty-eight billion, four hundred seventy million, seven hundred fifty thousand, one hundred nine".
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