Base | Representation |
---|---|
bin | 1110010001100010001… |
… | …1100110001010111101 |
3 | 212102222011022211202100 |
4 | 3210120203212022331 |
5 | 13004210112323240 |
6 | 304353241215313 |
7 | 23500623063054 |
oct | 3443043461275 |
9 | 772864284670 |
10 | 245225120445 |
11 | 94aaa2075a8 |
12 | 3b639491539 |
13 | 1a180a71586 |
14 | bc245d139b |
15 | 65a3a2ee30 |
hex | 39188e62bd |
245225120445 has 48 divisors (see below), whose sum is σ = 458551999152. Its totient is φ = 120770856960.
The previous prime is 245225120443. The next prime is 245225120449. The reversal of 245225120445 is 544021522542.
245225120445 is a `hidden beast` number, since 2 + 4 + 522 + 5 + 120 + 4 + 4 + 5 = 666.
245225120445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 8 ways, for example, as 32617443609 + 212607676836 = 180603^2 + 461094^2 .
It is not a de Polignac number, because 245225120445 - 21 = 245225120443 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245225120443) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2983566 + ... + 3064655.
It is an arithmetic number, because the mean of its divisors is an integer number (9553166649).
Almost surely, 2245225120445 is an apocalyptic number.
It is an amenable number.
245225120445 is a deficient number, since it is larger than the sum of its proper divisors (213326878707).
245225120445 is a wasteful number, since it uses less digits than its factorization.
245225120445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6048302 (or 6048299 counting only the distinct ones).
The product of its (nonzero) digits is 128000, while the sum is 36.
Adding to 245225120445 its reverse (544021522542), we get a palindrome (789246642987).
The spelling of 245225120445 in words is "two hundred forty-five billion, two hundred twenty-five million, one hundred twenty thousand, four hundred forty-five".
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