Base | Representation |
---|---|
bin | 1110010001001010001… |
… | …1100100100000010000 |
3 | 212102201010220021022012 |
4 | 3210102203210200100 |
5 | 13004003324402240 |
6 | 304335243402052 |
7 | 23465261310131 |
oct | 3442243444020 |
9 | 772633807265 |
10 | 245124450320 |
11 | 94a583a8652 |
12 | 3b60b823328 |
13 | 1a165c54a59 |
14 | bc150a7c88 |
15 | 6599c96b65 |
hex | 39128e4810 |
245124450320 has 40 divisors (see below), whose sum is σ = 570020563224. Its totient is φ = 98031506432.
The previous prime is 245124450317. The next prime is 245124450341. The reversal of 245124450320 is 23054421542.
It can be written as a sum of positive squares in 4 ways, for example, as 7670957056 + 237453493264 = 87584^2 + 487292^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is a super-2 number, since 2×2451244503202 (a number of 24 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150542 + ... + 716178.
Almost surely, 2245124450320 is an apocalyptic number.
245124450320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
245124450320 is an abundant number, since it is smaller than the sum of its proper divisors (324896112904).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245124450320 is a wasteful number, since it uses less digits than its factorization.
245124450320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 571067 (or 571061 counting only the distinct ones).
The product of its (nonzero) digits is 38400, while the sum is 32.
Adding to 245124450320 its reverse (23054421542), we get a palindrome (268178871862).
The spelling of 245124450320 in words is "two hundred forty-five billion, one hundred twenty-four million, four hundred fifty thousand, three hundred twenty".
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