Base | Representation |
---|---|
bin | 10101100010101010… |
… | …111001101101001101 |
3 | 2012200222122110002012 |
4 | 111202222321231031 |
5 | 334332321000221 |
6 | 14343105311005 |
7 | 1446121611242 |
oct | 254252715515 |
9 | 65628573065 |
10 | 23130250061 |
11 | 989a472246 |
12 | 4596335465 |
13 | 22480646c9 |
14 | 1195d155c9 |
15 | 90598c65b |
hex | 562ab9b4d |
23130250061 has 8 divisors (see below), whose sum is σ = 23433309240. Its totient is φ = 22828843008.
The previous prime is 23130250057. The next prime is 23130250067. The reversal of 23130250061 is 16005203132.
It can be written as a sum of positive squares in 4 ways, for example, as 4225650025 + 18904600036 = 65005^2 + 137494^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 23130250061 - 22 = 23130250057 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23130250067) 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 7 ways as a sum of consecutive naturals, for example, 384836 + ... + 440861.
It is an arithmetic number, because the mean of its divisors is an integer number (2929163655).
Almost surely, 223130250061 is an apocalyptic number.
It is an amenable number.
23130250061 is a deficient number, since it is larger than the sum of its proper divisors (303059179).
23130250061 is a wasteful number, since it uses less digits than its factorization.
23130250061 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 826063.
The product of its (nonzero) digits is 1080, while the sum is 23.
Adding to 23130250061 its reverse (16005203132), we get a palindrome (39135453193).
The spelling of 23130250061 in words is "twenty-three billion, one hundred thirty million, two hundred fifty thousand, sixty-one".
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