Base | Representation |
---|---|
bin | 100011101011100010… |
… | …001100101111101111 |
3 | 10122212222120012010102 |
4 | 203223202030233233 |
5 | 1111430201133411 |
6 | 25333333101315 |
7 | 2524251044501 |
oct | 435342145757 |
9 | 118788505112 |
10 | 38311349231 |
11 | 1527a8377a1 |
12 | 751248783b |
13 | 37c727aa1c |
14 | 1bd61dbd71 |
15 | ee3625d3b |
hex | 8eb88cbef |
38311349231 has 2 divisors, whose sum is σ = 38311349232. Its totient is φ = 38311349230.
The previous prime is 38311349221. The next prime is 38311349239. The reversal of 38311349231 is 13294311383.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 38311349231 - 226 = 38244240367 is a prime.
It is a super-2 number, since 2×383113492312 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (38311349239) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19155674615 + 19155674616.
It is an arithmetic number, because the mean of its divisors is an integer number (19155674616).
Almost surely, 238311349231 is an apocalyptic number.
38311349231 is a deficient number, since it is larger than the sum of its proper divisors (1).
38311349231 is an equidigital number, since it uses as much as digits as its factorization.
38311349231 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 46656, while the sum is 38.
The spelling of 38311349231 in words is "thirty-eight billion, three hundred eleven million, three hundred forty-nine thousand, two hundred thirty-one".
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