Base | Representation |
---|---|
bin | 1011001110011000… |
… | …0100011011100001 |
3 | 21202222200101220202 |
4 | 2303212010123201 |
5 | 22132323220111 |
6 | 1214553114545 |
7 | 134444636561 |
oct | 26346043341 |
9 | 7688611822 |
10 | 3013101281 |
11 | 13068a9653 |
12 | 7010b8a55 |
13 | 390320888 |
14 | 208256da1 |
15 | 1297d0b3b |
hex | b39846e1 |
3013101281 has 2 divisors, whose sum is σ = 3013101282. Its totient is φ = 3013101280.
The previous prime is 3013101257. The next prime is 3013101293. The reversal of 3013101281 is 1821013103.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2918700625 + 94400656 = 54025^2 + 9716^2 .
It is a cyclic number.
It is not a de Polignac number, because 3013101281 - 226 = 2945992417 is a prime.
It is a super-2 number, since 2×30131012812 = 18157558659127681922, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (3013101211) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1506550640 + 1506550641.
It is an arithmetic number, because the mean of its divisors is an integer number (1506550641).
Almost surely, 23013101281 is an apocalyptic number.
It is an amenable number.
3013101281 is a deficient number, since it is larger than the sum of its proper divisors (1).
3013101281 is an equidigital number, since it uses as much as digits as its factorization.
3013101281 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 144, while the sum is 20.
The square root of 3013101281 is about 54891.7232467701. The cubic root of 3013101281 is about 1444.3460011474.
Adding to 3013101281 its reverse (1821013103), we get a palindrome (4834114384).
The spelling of 3013101281 in words is "three billion, thirteen million, one hundred one thousand, two hundred eighty-one".
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