Base | Representation |
---|---|
bin | 1110010001001010001… |
… | …1100100100000010001 |
3 | 212102201010220021022020 |
4 | 3210102203210200101 |
5 | 13004003324402241 |
6 | 304335243402053 |
7 | 23465261310132 |
oct | 3442243444021 |
9 | 772633807266 |
10 | 245124450321 |
11 | 94a583a8653 |
12 | 3b60b823329 |
13 | 1a165c54a5a |
14 | bc150a7c89 |
15 | 6599c96b66 |
hex | 39128e4811 |
245124450321 has 48 divisors (see below), whose sum is σ = 366273005760. Its totient is φ = 145385349120.
The previous prime is 245124450317. The next prime is 245124450341. The reversal of 245124450321 is 123054421542.
It is not a de Polignac number, because 245124450321 - 22 = 245124450317 is a prime.
It is a super-2 number, since 2×2451244503212 (a number of 24 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (245124450341) 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, 7511881 + ... + 7544441.
It is an arithmetic number, because the mean of its divisors is an integer number (7630687620).
Almost surely, 2245124450321 is an apocalyptic number.
It is an amenable number.
245124450321 is a deficient number, since it is larger than the sum of its proper divisors (121148555439).
245124450321 is a wasteful number, since it uses less digits than its factorization.
245124450321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33074 (or 33057 counting only the distinct ones).
The product of its (nonzero) digits is 38400, while the sum is 33.
Adding to 245124450321 its reverse (123054421542), we get a palindrome (368178871863).
The spelling of 245124450321 in words is "two hundred forty-five billion, one hundred twenty-four million, four hundred fifty thousand, three hundred twenty-one".
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