Base | Representation |
---|---|
bin | 10010111010000110… |
… | …011101000000000010 |
3 | 1221101220000201002212 |
4 | 102322012131000002 |
5 | 313034320414020 |
6 | 13154320542122 |
7 | 1316051125001 |
oct | 227206350002 |
9 | 57356021085 |
10 | 20302123010 |
11 | 8679023564 |
12 | 3b27181942 |
13 | 1bb7169b50 |
14 | da848cc38 |
15 | 7dc548cc5 |
hex | 4ba19d002 |
20302123010 has 64 divisors (see below), whose sum is σ = 43863120000. Its totient is φ = 6683876352.
The previous prime is 20302123001. The next prime is 20302123013. The reversal of 20302123010 is 1032120302.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (20302123013) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199760 + ... + 283739.
It is an arithmetic number, because the mean of its divisors is an integer number (685361250).
Almost surely, 220302123010 is an apocalyptic number.
20302123010 is an abundant number, since it is smaller than the sum of its proper divisors (23560996990).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20302123010 is a wasteful number, since it uses less digits than its factorization.
20302123010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 483555.
The product of its (nonzero) digits is 72, while the sum is 14.
Adding to 20302123010 its reverse (1032120302), we get a palindrome (21334243312).
The spelling of 20302123010 in words is "twenty billion, three hundred two million, one hundred twenty-three thousand, ten".
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