Base | Representation |
---|---|
bin | 111101000110000… |
… | …111001000000101 |
3 | 2122102202000102220 |
4 | 331012013020011 |
5 | 4044400342404 |
6 | 245413322553 |
7 | 34254313563 |
oct | 7506071005 |
9 | 2572660386 |
10 | 1025012229 |
11 | 48665794a |
12 | 247336459 |
13 | 134486b17 |
14 | 9a1bca33 |
15 | 5eec24d9 |
hex | 3d187205 |
1025012229 has 16 divisors (see below), whose sum is σ = 1450208448. Its totient is φ = 641752832.
The previous prime is 1025012213. The next prime is 1025012269. The reversal of 1025012229 is 9222105201.
It is a cyclic number.
It is not a de Polignac number, because 1025012229 - 24 = 1025012213 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1025012199 and 1025012208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1025012269) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2299 + ... + 45335.
It is an arithmetic number, because the mean of its divisors is an integer number (90638028).
Almost surely, 21025012229 is an apocalyptic number.
It is an amenable number.
1025012229 is a deficient number, since it is larger than the sum of its proper divisors (425196219).
1025012229 is a wasteful number, since it uses less digits than its factorization.
1025012229 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43524.
The product of its (nonzero) digits is 720, while the sum is 24.
The square root of 1025012229 is about 32015.8121714880. The cubic root of 1025012229 is about 1008.2688473722.
The spelling of 1025012229 in words is "one billion, twenty-five million, twelve thousand, two hundred twenty-nine".
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