Base | Representation |
---|---|
bin | 111100110100100… |
… | …100000110011001 |
3 | 2122010002022112122 |
4 | 330310210012121 |
5 | 4042211143223 |
6 | 245130551025 |
7 | 34200235004 |
oct | 7464440631 |
9 | 2563068478 |
10 | 1020412313 |
11 | 483aa5968 |
12 | 245898475 |
13 | 13353618b |
14 | 9974253b |
15 | 5e8b45c8 |
hex | 3cd24199 |
1020412313 has 2 divisors, whose sum is σ = 1020412314. Its totient is φ = 1020412312.
The previous prime is 1020412277. The next prime is 1020412333. The reversal of 1020412313 is 3132140201.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 946915984 + 73496329 = 30772^2 + 8573^2 .
It is a cyclic number.
It is not a de Polignac number, because 1020412313 - 26 = 1020412249 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1020412291 and 1020412300.
It is not a weakly prime, because it can be changed into another prime (1020412333) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510206156 + 510206157.
It is an arithmetic number, because the mean of its divisors is an integer number (510206157).
Almost surely, 21020412313 is an apocalyptic number.
It is an amenable number.
1020412313 is a deficient number, since it is larger than the sum of its proper divisors (1).
1020412313 is an equidigital number, since it uses as much as digits as its factorization.
1020412313 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 1020412313 is about 31943.8932035530. The cubic root of 1020412313 is about 1006.7583264613.
Adding to 1020412313 its reverse (3132140201), we get a palindrome (4152552514).
The spelling of 1020412313 in words is "one billion, twenty million, four hundred twelve thousand, three hundred thirteen".
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