Base | Representation |
---|---|
bin | 1001001001011100… |
… | …0000101010001001 |
3 | 20100010110121100211 |
4 | 2102113000222021 |
5 | 20012102134140 |
6 | 1043354001121 |
7 | 114564311203 |
oct | 22227005211 |
9 | 6303417324 |
10 | 2455505545 |
11 | 1050083729 |
12 | 5864161a1 |
13 | 301950c7c |
14 | 19418b773 |
15 | e588c2ea |
hex | 925c0a89 |
2455505545 has 24 divisors (see below), whose sum is σ = 3063669336. Its totient is φ = 1889244672.
The previous prime is 2455505543. The next prime is 2455505573. The reversal of 2455505545 is 5455055542.
It can be written as a sum of positive squares in 12 ways, for example, as 4562496 + 2450943049 = 2136^2 + 49507^2 .
It is not a de Polignac number, because 2455505545 - 21 = 2455505543 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2455505498 and 2455505507.
It is not an unprimeable number, because it can be changed into a prime (2455505543) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1231069 + ... + 1233061.
It is an arithmetic number, because the mean of its divisors is an integer number (127652889).
Almost surely, 22455505545 is an apocalyptic number.
It is an amenable number.
2455505545 is a deficient number, since it is larger than the sum of its proper divisors (608163791).
2455505545 is a wasteful number, since it uses less digits than its factorization.
2455505545 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2349 (or 2320 counting only the distinct ones).
The product of its (nonzero) digits is 500000, while the sum is 40.
The square root of 2455505545 is about 49553.0578773904. The cubic root of 2455505545 is about 1349.1087935985.
The spelling of 2455505545 in words is "two billion, four hundred fifty-five million, five hundred five thousand, five hundred forty-five".
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