Base | Representation |
---|---|
bin | 10010111010000110… |
… | …100001101000111010 |
3 | 1221101220001200011120 |
4 | 102322012201220322 |
5 | 313034322021020 |
6 | 13154321210110 |
7 | 1316051234253 |
oct | 227206415072 |
9 | 57356050146 |
10 | 20302142010 |
11 | 8679036867 |
12 | 3b27190936 |
13 | 1bb71756a7 |
14 | da8495b2a |
15 | 7dc54e740 |
hex | 4ba1a1a3a |
20302142010 has 32 divisors (see below), whose sum is σ = 51289623360. Its totient is φ = 5128962048.
The previous prime is 20302141997. The next prime is 20302142011. The reversal of 20302142010 is 1024120302.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is not an unprimeable number, because it can be changed into a prime (20302142011) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17808327 + ... + 17809466.
It is an arithmetic number, because the mean of its divisors is an integer number (1602800730).
Almost surely, 220302142010 is an apocalyptic number.
20302142010 is an abundant number, since it is smaller than the sum of its proper divisors (30987481350).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20302142010 is a wasteful number, since it uses less digits than its factorization.
20302142010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35617822.
The product of its (nonzero) digits is 96, while the sum is 15.
Adding to 20302142010 its reverse (1024120302), we get a palindrome (21326262312).
The spelling of 20302142010 in words is "twenty billion, three hundred two million, one hundred forty-two thousand, ten".
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