Base | Representation |
---|---|
bin | 10010111010000111… |
… | …001101010101101010 |
3 | 1221101220101202200220 |
4 | 102322013031111222 |
5 | 313034343233002 |
6 | 13154325110510 |
7 | 1316052611145 |
oct | 227207152552 |
9 | 57356352626 |
10 | 20302321002 |
11 | 8679149297 |
12 | 3b27258436 |
13 | 1bb7208cc2 |
14 | da850105c |
15 | 7dc5877bc |
hex | 4ba1cd56a |
20302321002 has 16 divisors (see below), whose sum is σ = 40614294240. Its totient is φ = 6765831632.
The previous prime is 20302320959. The next prime is 20302321003. The reversal of 20302321002 is 20012320302.
It is not an unprimeable number, because it can be changed into a prime (20302321003) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374688 + ... + 425435.
It is an arithmetic number, because the mean of its divisors is an integer number (2538393390).
Almost surely, 220302321002 is an apocalyptic number.
20302321002 is an abundant number, since it is smaller than the sum of its proper divisors (20311973238).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20302321002 is a wasteful number, since it uses less digits than its factorization.
20302321002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 804357.
The product of its (nonzero) digits is 144, while the sum is 15.
Adding to 20302321002 its reverse (20012320302), we get a palindrome (40314641304).
The spelling of 20302321002 in words is "twenty billion, three hundred two million, three hundred twenty-one thousand, two".
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