Base | Representation |
---|---|
bin | 100100100001000… |
… | …1001110000111011 |
3 | 10011101121202001102 |
4 | 1021002021300323 |
5 | 10002134113201 |
6 | 321330242015 |
7 | 42235613162 |
oct | 11102116073 |
9 | 3141552042 |
10 | 1225301051 |
11 | 5797178a7 |
12 | 2a242630b |
13 | 166b12710 |
14 | b8a383d9 |
15 | 7288726b |
hex | 49089c3b |
1225301051 has 16 divisors (see below), whose sum is σ = 1393476000. Its totient is φ = 1068069888.
The previous prime is 1225300997. The next prime is 1225301059. The reversal of 1225301051 is 1501035221.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 1225301051 - 218 = 1225038907 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1225301059) 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, 70475 + ... + 86123.
It is an arithmetic number, because the mean of its divisors is an integer number (87092250).
Almost surely, 21225301051 is an apocalyptic number.
1225301051 is a deficient number, since it is larger than the sum of its proper divisors (168174949).
1225301051 is a wasteful number, since it uses less digits than its factorization.
1225301051 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15998.
The product of its (nonzero) digits is 300, while the sum is 20.
The square root of 1225301051 is about 35004.3004643715. The cubic root of 1225301051 is about 1070.0751253044.
Adding to 1225301051 its reverse (1501035221), we get a palindrome (2726336272).
The spelling of 1225301051 in words is "one billion, two hundred twenty-five million, three hundred one thousand, fifty-one".
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