Base | Representation |
---|---|
bin | 1011010010101111… |
… | …1110111101101101 |
3 | 21211021011112210011 |
4 | 2310223332331231 |
5 | 22202021211343 |
6 | 1220450013221 |
7 | 135056502226 |
oct | 26453767555 |
9 | 7737145704 |
10 | 3031428973 |
11 | 1316187501 |
12 | 707277211 |
13 | 394069a71 |
14 | 20a86824d |
15 | 12b20129d |
hex | b4afef6d |
3031428973 has 2 divisors, whose sum is σ = 3031428974. Its totient is φ = 3031428972.
The previous prime is 3031428971. The next prime is 3031429021. The reversal of 3031428973 is 3798241303.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2993950089 + 37478884 = 54717^2 + 6122^2 .
It is a cyclic number.
It is not a de Polignac number, because 3031428973 - 21 = 3031428971 is a prime.
Together with 3031428971, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (3031428971) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1515714486 + 1515714487.
It is an arithmetic number, because the mean of its divisors is an integer number (1515714487).
Almost surely, 23031428973 is an apocalyptic number.
It is an amenable number.
3031428973 is a deficient number, since it is larger than the sum of its proper divisors (1).
3031428973 is an equidigital number, since it uses as much as digits as its factorization.
3031428973 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 108864, while the sum is 40.
The square root of 3031428973 is about 55058.4141889321. The cubic root of 3031428973 is about 1447.2685754133.
The spelling of 3031428973 in words is "three billion, thirty-one million, four hundred twenty-eight thousand, nine hundred seventy-three".
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