Base | Representation |
---|---|
bin | 11011111101010110… |
… | …000011010011000110 |
3 | 2212111011100012010210 |
4 | 123331112003103012 |
5 | 442440134020402 |
6 | 21442513300250 |
7 | 2111633442405 |
oct | 337526032306 |
9 | 85434305123 |
10 | 30020220102 |
11 | 118056a4764 |
12 | 5999864686 |
13 | 2aa5624762 |
14 | 164adcd63c |
15 | baa7c006c |
hex | 6fd5834c6 |
30020220102 has 16 divisors (see below), whose sum is σ = 60634901232. Its totient is φ = 9907663200.
The previous prime is 30020220059. The next prime is 30020220127. The reversal of 30020220102 is 20102202003.
It is a super-2 number, since 2×300202201022 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
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, 24768553 + ... + 24769764.
It is an arithmetic number, because the mean of its divisors is an integer number (3789681327).
Almost surely, 230020220102 is an apocalyptic number.
30020220102 is an abundant number, since it is smaller than the sum of its proper divisors (30614681130).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30020220102 is a wasteful number, since it uses less digits than its factorization.
30020220102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49538423.
The product of its (nonzero) digits is 48, while the sum is 12.
Adding to 30020220102 its reverse (20102202003), we get a palindrome (50122422105).
The spelling of 30020220102 in words is "thirty billion, twenty million, two hundred twenty thousand, one hundred two".
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