Base | Representation |
---|---|
bin | 1001000010010001… |
… | …0101100010000001 |
3 | 20021000220100100002 |
4 | 2100210111202001 |
5 | 14431403210411 |
6 | 1040401405345 |
7 | 114050636465 |
oct | 22044254201 |
9 | 6230810302 |
10 | 2425444481 |
11 | 1035111379 |
12 | 578339855 |
13 | 2c8657265 |
14 | 1901a44a5 |
15 | e2e0033b |
hex | 90915881 |
2425444481 has 2 divisors, whose sum is σ = 2425444482. Its totient is φ = 2425444480.
The previous prime is 2425444471. The next prime is 2425444513. The reversal of 2425444481 is 1844445242.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1551650881 + 873793600 = 39391^2 + 29560^2 .
It is a cyclic number.
It is not a de Polignac number, because 2425444481 - 210 = 2425443457 is a prime.
It is a super-2 number, since 2×24254444812 = 11765561860826718722, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2425444471) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1212722240 + 1212722241.
It is an arithmetic number, because the mean of its divisors is an integer number (1212722241).
Almost surely, 22425444481 is an apocalyptic number.
It is an amenable number.
2425444481 is a deficient number, since it is larger than the sum of its proper divisors (1).
2425444481 is an equidigital number, since it uses as much as digits as its factorization.
2425444481 is an evil number, because the sum of its binary digits is even.
The product of its digits is 163840, while the sum is 38.
The square root of 2425444481 is about 49248.8018229885. The cubic root of 2425444481 is about 1343.5807698446.
The spelling of 2425444481 in words is "two billion, four hundred twenty-five million, four hundred forty-four thousand, four hundred eighty-one".
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