Base | Representation |
---|---|
bin | 10010111010000110… |
… | …101111110011001100 |
3 | 1221101220011121201210 |
4 | 102322012233303030 |
5 | 313034330400022 |
6 | 13154322334420 |
7 | 1316051565333 |
oct | 227206576314 |
9 | 57356147653 |
10 | 20302200012 |
11 | 86790763a6 |
12 | 3b271ba410 |
13 | 1bb7195c03 |
14 | da84acd1a |
15 | 7dc561a0c |
hex | 4ba1afccc |
20302200012 has 12 divisors (see below), whose sum is σ = 47371800056. Its totient is φ = 6767400000.
The previous prime is 20302200001. The next prime is 20302200019. The reversal of 20302200012 is 21000220302.
It is a tau number, because it is divible by the number of its divisors (12).
It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 1691850001 = 20302200012 / (2 + 0 + 3 + 0 + 2 + 2 + 0 + 0 + 0 + 1 + 2).
It is not an unprimeable number, because it can be changed into a prime (20302200019) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 845924989 + ... + 845925012.
Almost surely, 220302200012 is an apocalyptic number.
It is an amenable number.
20302200012 is an abundant number, since it is smaller than the sum of its proper divisors (27069600044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20302200012 is a wasteful number, since it uses less digits than its factorization.
20302200012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1691850008 (or 1691850006 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 12.
Adding to 20302200012 its reverse (21000220302), we get a palindrome (41302420314).
The spelling of 20302200012 in words is "twenty billion, three hundred two million, two hundred thousand, twelve".
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