Base | Representation |
---|---|
bin | 111010011010100101010… |
… | …0111000101111101100101 |
3 | 1001102112002011001001222020 |
4 | 1310311022213011331211 |
5 | 2023014430140410440 |
6 | 25024132444053353 |
7 | 1456020562640316 |
oct | 164651247057545 |
9 | 31375064031866 |
10 | 8028545638245 |
11 | 2615983788800 |
12 | a97b9b834259 |
13 | 46311c885c72 |
14 | 1da8258a460d |
15 | ddc9305c3d0 |
hex | 74d4a9c5f65 |
8028545638245 has 48 divisors (see below), whose sum is σ = 14950190243520. Its totient is φ = 3663650045440.
The previous prime is 8028545638241. The next prime is 8028545638273. The reversal of 8028545638245 is 5428365458208.
It is not a de Polignac number, because 8028545638245 - 22 = 8028545638241 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8028545638241) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 130070355 + ... + 130132064.
It is an arithmetic number, because the mean of its divisors is an integer number (311462296740).
Almost surely, 28028545638245 is an apocalyptic number.
8028545638245 is a gapful number since it is divisible by the number (85) formed by its first and last digit.
It is an amenable number.
8028545638245 is a deficient number, since it is larger than the sum of its proper divisors (6921644605275).
8028545638245 is a wasteful number, since it uses less digits than its factorization.
8028545638245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 260202466 (or 260202455 counting only the distinct ones).
The product of its (nonzero) digits is 73728000, while the sum is 60.
The spelling of 8028545638245 in words is "eight trillion, twenty-eight billion, five hundred forty-five million, six hundred thirty-eight thousand, two hundred forty-five".
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