Base | Representation |
---|---|
bin | 1110010010001010010… |
… | …0100100100001111011 |
3 | 212110101212111112021010 |
4 | 3210202210210201323 |
5 | 13010031121214102 |
6 | 304422042445003 |
7 | 23505033225306 |
oct | 3444244444173 |
9 | 773355445233 |
10 | 245393148027 |
11 | 95086042175 |
12 | 3b685803763 |
13 | 1a1a9812b91 |
14 | bc3ca4db3d |
15 | 65b3670d6c |
hex | 392292487b |
245393148027 has 18 divisors (see below), whose sum is σ = 330242461276. Its totient is φ = 162083620160.
The previous prime is 245393148001. The next prime is 245393148059. The reversal of 245393148027 is 720841393542.
It is not a de Polignac number, because 245393148027 - 216 = 245393082491 is a prime.
It is a super-2 number, since 2×2453931480272 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (245393148827) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 96953752 + ... + 96956282.
Almost surely, 2245393148027 is an apocalyptic number.
245393148027 is a deficient number, since it is larger than the sum of its proper divisors (84849313249).
245393148027 is an frugal number, since it uses more digits than its factorization.
245393148027 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5291 (or 2647 counting only the distinct ones).
The product of its (nonzero) digits is 1451520, while the sum is 48.
Multiplying 245393148027 by its sum of digits (48), we get a square (11778871105296 = 34320362).
The spelling of 245393148027 in words is "two hundred forty-five billion, three hundred ninety-three million, one hundred forty-eight thousand, twenty-seven".
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