Base | Representation |
---|---|
bin | 1010010001010001… |
… | …0100100011010001 |
3 | 21010010101110121011 |
4 | 2210110110203101 |
5 | 21121214243411 |
6 | 1133315330521 |
7 | 125213222014 |
oct | 24424244321 |
9 | 7103343534 |
10 | 2756790481 |
11 | 1195155545 |
12 | 64b2b0a41 |
13 | 34c1ab893 |
14 | 1c21b737b |
15 | 112051c21 |
hex | a45148d1 |
2756790481 has 2 divisors, whose sum is σ = 2756790482. Its totient is φ = 2756790480.
The previous prime is 2756790467. The next prime is 2756790493. The reversal of 2756790481 is 1840976572.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2731630225 + 25160256 = 52265^2 + 5016^2 .
It is a cyclic number.
It is not a de Polignac number, because 2756790481 - 27 = 2756790353 is a prime.
It is a super-2 number, since 2×27567904812 = 15199787512264422722, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2756790461) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1378395240 + 1378395241.
It is an arithmetic number, because the mean of its divisors is an integer number (1378395241).
Almost surely, 22756790481 is an apocalyptic number.
It is an amenable number.
2756790481 is a deficient number, since it is larger than the sum of its proper divisors (1).
2756790481 is an equidigital number, since it uses as much as digits as its factorization.
2756790481 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 846720, while the sum is 49.
The square root of 2756790481 is about 52505.1471857760. The cubic root of 2756790481 is about 1402.1718807954.
The spelling of 2756790481 in words is "two billion, seven hundred fifty-six million, seven hundred ninety thousand, four hundred eighty-one".
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