Base | Representation |
---|---|
bin | 10010101110001100… |
… | …001110100001110010 |
3 | 1220212222001011012002 |
4 | 102232030032201302 |
5 | 312132142410002 |
6 | 13122422134002 |
7 | 1311103546535 |
oct | 225614164162 |
9 | 56788034162 |
10 | 20102310002 |
11 | 8586259045 |
12 | 3a90281302 |
13 | 1b849499b8 |
14 | d89b18a1c |
15 | 7c9c2a002 |
hex | 4ae30e872 |
20102310002 has 4 divisors (see below), whose sum is σ = 30153465006. Its totient is φ = 10051155000.
The previous prime is 20102310001. The next prime is 20102310029. The reversal of 20102310002 is 20001320102.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 12613311481 + 7488998521 = 112309^2 + 86539^2 .
It is not an unprimeable number, because it can be changed into a prime (20102310001) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5025577499 + ... + 5025577502.
Almost surely, 220102310002 is an apocalyptic number.
20102310002 is a deficient number, since it is larger than the sum of its proper divisors (10051155004).
20102310002 is a wasteful number, since it uses less digits than its factorization.
20102310002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10051155003.
The product of its (nonzero) digits is 24, while the sum is 11.
Adding to 20102310002 its reverse (20001320102), we get a palindrome (40103630104).
The spelling of 20102310002 in words is "twenty billion, one hundred two million, three hundred ten thousand, two".
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