Base | Representation |
---|---|
bin | 10010101110001011… |
… | …111000100101000110 |
3 | 1220212221212120212110 |
4 | 102232023320211012 |
5 | 312132132020402 |
6 | 13122420201450 |
7 | 1311103023456 |
oct | 225613704506 |
9 | 56787776773 |
10 | 20102220102 |
11 | 85861a7548 |
12 | 3a90239286 |
13 | 1b84917ac3 |
14 | d89ad3d66 |
15 | 7c9c0d56c |
hex | 4ae2f8946 |
20102220102 has 16 divisors (see below), whose sum is σ = 41291047152. Its totient is φ = 6519638880.
The previous prime is 20102220097. The next prime is 20102220107.
20102220102 is nontrivially palindromic in base 10.
It is an interprime number because it is at equal distance from previous prime (20102220097) and next prime (20102220107).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20102220107) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45275049 + ... + 45275492.
It is an arithmetic number, because the mean of its divisors is an integer number (2580690447).
Almost surely, 220102220102 is an apocalyptic number.
20102220102 is an abundant number, since it is smaller than the sum of its proper divisors (21188827050).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20102220102 is a wasteful number, since it uses less digits than its factorization.
20102220102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90550583.
The product of its (nonzero) digits is 32, while the sum is 12.
The spelling of 20102220102 in words is "twenty billion, one hundred two million, two hundred twenty thousand, one hundred two".
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