Base | Representation |
---|---|
bin | 1001001001010110… |
… | …0011110111101001 |
3 | 20100002202022000101 |
4 | 2102111203313221 |
5 | 20012003003411 |
6 | 1043341505401 |
7 | 114561136144 |
oct | 22225436751 |
9 | 6302668011 |
10 | 2455125481 |
11 | 104a944126 |
12 | 586272261 |
13 | 301849c93 |
14 | 1940cd05b |
15 | e58148c1 |
hex | 92563de9 |
2455125481 has 2 divisors, whose sum is σ = 2455125482. Its totient is φ = 2455125480.
The previous prime is 2455125479. The next prime is 2455125553. The reversal of 2455125481 is 1845215542.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1954082025 + 501043456 = 44205^2 + 22384^2 .
It is a cyclic number.
It is not a de Polignac number, because 2455125481 - 21 = 2455125479 is a prime.
It is a super-2 number, since 2×24551254812 = 12055282254910962722, which contains 22 as substring.
Together with 2455125479, it forms a pair of twin primes.
It is a self number, because there is not a number n which added to its sum of digits gives 2455125481.
It is not a weakly prime, because it can be changed into another prime (2455125781) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1227562740 + 1227562741.
It is an arithmetic number, because the mean of its divisors is an integer number (1227562741).
Almost surely, 22455125481 is an apocalyptic number.
It is an amenable number.
2455125481 is a deficient number, since it is larger than the sum of its proper divisors (1).
2455125481 is an equidigital number, since it uses as much as digits as its factorization.
2455125481 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 64000, while the sum is 37.
The square root of 2455125481 is about 49549.2228092429. Note that the first 3 decimals coincide. The cubic root of 2455125481 is about 1349.0391848314.
The spelling of 2455125481 in words is "two billion, four hundred fifty-five million, one hundred twenty-five thousand, four hundred eighty-one".
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