Base | Representation |
---|---|
bin | 100100111111000… |
… | …1100110101000101 |
3 | 10012111020110220121 |
4 | 1021332030311011 |
5 | 10020201322440 |
6 | 323051501541 |
7 | 42516453652 |
oct | 11176146505 |
9 | 3174213817 |
10 | 1241042245 |
11 | 587599453 |
12 | 2a77578b1 |
13 | 16a164531 |
14 | bab74c29 |
15 | 73e4634a |
hex | 49f8cd45 |
1241042245 has 16 divisors (see below), whose sum is σ = 1578201408. Its totient is φ = 933633280.
The previous prime is 1241042239. The next prime is 1241042249. The reversal of 1241042245 is 5422401421.
It is not a de Polignac number, because 1241042245 - 23 = 1241042237 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 (1241042249) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105510 + ... + 116680.
It is an arithmetic number, because the mean of its divisors is an integer number (98637588).
Almost surely, 21241042245 is an apocalyptic number.
It is an amenable number.
1241042245 is a deficient number, since it is larger than the sum of its proper divisors (337159163).
1241042245 is a wasteful number, since it uses less digits than its factorization.
1241042245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12500.
The product of its (nonzero) digits is 2560, while the sum is 25.
The square root of 1241042245 is about 35228.4294994824. The cubic root of 1241042245 is about 1074.6379873520.
Adding to 1241042245 its reverse (5422401421), we get a palindrome (6663443666).
The spelling of 1241042245 in words is "one billion, two hundred forty-one million, forty-two thousand, two hundred forty-five".
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