Base | Representation |
---|---|
bin | 1000100101000111… |
… | …0010000001011011 |
3 | 12221111202122000221 |
4 | 2021101302001123 |
5 | 14204100434211 |
6 | 1020312140511 |
7 | 111034236451 |
oct | 21121620133 |
9 | 5844678027 |
10 | 2303139931 |
11 | a82076134 |
12 | 543397737 |
13 | 2a92043c1 |
14 | 17bc489d1 |
15 | d72e1c71 |
hex | 8947205b |
2303139931 has 2 divisors, whose sum is σ = 2303139932. Its totient is φ = 2303139930.
The previous prime is 2303139911. The next prime is 2303140003. The reversal of 2303139931 is 1399313032.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2303139931 - 213 = 2303131739 is a prime.
It is a super-2 number, since 2×23031399312 = 10608907083533369522, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2303139911) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1151569965 + 1151569966.
It is an arithmetic number, because the mean of its divisors is an integer number (1151569966).
Almost surely, 22303139931 is an apocalyptic number.
2303139931 is a deficient number, since it is larger than the sum of its proper divisors (1).
2303139931 is an equidigital number, since it uses as much as digits as its factorization.
2303139931 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 13122, while the sum is 34.
The square root of 2303139931 is about 47991.0401116708. The cubic root of 2303139931 is about 1320.6065338917.
The spelling of 2303139931 in words is "two billion, three hundred three million, one hundred thirty-nine thousand, nine hundred thirty-one".
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