Base | Representation |
---|---|
bin | 101111101001011000… |
… | …1011101110010001100 |
3 | 100210002212221102002201 |
4 | 1133102301131302030 |
5 | 3134023012231340 |
6 | 115001053531244 |
7 | 10251411210121 |
oct | 1372261356214 |
9 | 323085842081 |
10 | 102320430220 |
11 | 3a437240728 |
12 | 179b6aa3b24 |
13 | 9858488a88 |
14 | 4d492ca748 |
15 | 29dcce479a |
hex | 17d2c5dc8c |
102320430220 has 48 divisors (see below), whose sum is σ = 221592672000. Its totient is φ = 39667759040.
The previous prime is 102320430169. The next prime is 102320430241. The reversal of 102320430220 is 22034023201.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 526870 + ... + 694429.
It is an arithmetic number, because the mean of its divisors is an integer number (4616514000).
Almost surely, 2102320430220 is an apocalyptic number.
102320430220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
102320430220 is an abundant number, since it is smaller than the sum of its proper divisors (119272241780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102320430220 is a wasteful number, since it uses less digits than its factorization.
102320430220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1221438 (or 1221436 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 19.
Adding to 102320430220 its reverse (22034023201), we get a palindrome (124354453421).
The spelling of 102320430220 in words is "one hundred two billion, three hundred twenty million, four hundred thirty thousand, two hundred twenty".
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