Base | Representation |
---|---|
bin | 1001011110110100… |
… | …1110010001010001 |
3 | 20120101021021222101 |
4 | 2113231032101101 |
5 | 20203033331140 |
6 | 1100320440401 |
7 | 120033652366 |
oct | 22755162121 |
9 | 6511237871 |
10 | 2545214545 |
11 | 10967863a5 |
12 | 5b0479101 |
13 | 317400613 |
14 | 1a206046d |
15 | ed6ac99a |
hex | 97b4e451 |
2545214545 has 8 divisors (see below), whose sum is σ = 3152782080. Its totient is φ = 1970488560.
The previous prime is 2545214533. The next prime is 2545214561. The reversal of 2545214545 is 5454125452.
2545214545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2545214545 - 27 = 2545214417 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8210215 + ... + 8210524.
It is an arithmetic number, because the mean of its divisors is an integer number (394097760).
Almost surely, 22545214545 is an apocalyptic number.
It is an amenable number.
2545214545 is a deficient number, since it is larger than the sum of its proper divisors (607567535).
2545214545 is a wasteful number, since it uses less digits than its factorization.
2545214545 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16420775.
The product of its digits is 160000, while the sum is 37.
The square root of 2545214545 is about 50450.1193754782. The cubic root of 2545214545 is about 1365.3420486622.
Adding to 2545214545 its reverse (5454125452), we get a palindrome (7999339997).
The spelling of 2545214545 in words is "two billion, five hundred forty-five million, two hundred fourteen thousand, five hundred forty-five".
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