Base | Representation |
---|---|
bin | 1000011111111011… |
… | …0001011110011101 |
3 | 12212222211002122222 |
4 | 2013332301132131 |
5 | 14133013122431 |
6 | 1014213515125 |
7 | 110351256614 |
oct | 20776613635 |
9 | 5788732588 |
10 | 2281379741 |
11 | a70863403 |
12 | 538042aa5 |
13 | 2a4855a54 |
14 | 178dc287b |
15 | d544457b |
hex | 87fb179d |
2281379741 has 2 divisors, whose sum is σ = 2281379742. Its totient is φ = 2281379740.
The previous prime is 2281379623. The next prime is 2281379767. The reversal of 2281379741 is 1479731822.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2235871225 + 45508516 = 47285^2 + 6746^2 .
It is a cyclic number.
It is not a de Polignac number, because 2281379741 - 222 = 2277185437 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2281379692 and 2281379701.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2281379791) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140689870 + 1140689871.
It is an arithmetic number, because the mean of its divisors is an integer number (1140689871).
Almost surely, 22281379741 is an apocalyptic number.
It is an amenable number.
2281379741 is a deficient number, since it is larger than the sum of its proper divisors (1).
2281379741 is an equidigital number, since it uses as much as digits as its factorization.
2281379741 is an evil number, because the sum of its binary digits is even.
The product of its digits is 169344, while the sum is 44.
The square root of 2281379741 is about 47763.7911079093. The cubic root of 2281379741 is about 1316.4343125174.
The spelling of 2281379741 in words is "two billion, two hundred eighty-one million, three hundred seventy-nine thousand, seven hundred forty-one".
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