Base | Representation |
---|---|
bin | 100001100010110101010… |
… | …111000110111000010101 |
3 | 22011100222112101100001101 |
4 | 201202311113012320111 |
5 | 300231414133013440 |
6 | 4522545153430101 |
7 | 325353434642032 |
oct | 41426527067025 |
9 | 8140875340041 |
10 | 2305145204245 |
11 | 8096744111a4 |
12 | 31290456b331 |
13 | 1394b3331920 |
14 | 7d7d9090389 |
15 | 3ee6722669a |
hex | 218b55c6e15 |
2305145204245 has 32 divisors (see below), whose sum is σ = 3020204420352. Its totient is φ = 1678697851392.
The previous prime is 2305145204237. The next prime is 2305145204249. The reversal of 2305145204245 is 5424025415032.
It is a cyclic number.
It is not a de Polignac number, because 2305145204245 - 23 = 2305145204237 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2305145204249) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36519202 + ... + 36582268.
It is an arithmetic number, because the mean of its divisors is an integer number (94381388136).
Almost surely, 22305145204245 is an apocalyptic number.
It is an amenable number.
2305145204245 is a deficient number, since it is larger than the sum of its proper divisors (715059216107).
2305145204245 is a wasteful number, since it uses less digits than its factorization.
2305145204245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70861.
The product of its (nonzero) digits is 192000, while the sum is 37.
The spelling of 2305145204245 in words is "two trillion, three hundred five billion, one hundred forty-five million, two hundred four thousand, two hundred forty-five".
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