Base | Representation |
---|---|
bin | 10010101000010101… |
… | …010010011101100011 |
3 | 1220122010002121112222 |
4 | 102220111102131203 |
5 | 311432012201430 |
6 | 13104551341255 |
7 | 1305501245120 |
oct | 225025223543 |
9 | 56563077488 |
10 | 20004022115 |
11 | 8535826990 |
12 | 3a6338182b |
13 | 1b6a48559c |
14 | d7aa51747 |
15 | 7c12b29e5 |
hex | 4a8552763 |
20004022115 has 16 divisors (see below), whose sum is σ = 29928096000. Its totient is φ = 12470039520.
The previous prime is 20004022097. The next prime is 20004022117. The reversal of 20004022115 is 51122040002.
It is not a de Polignac number, because 20004022115 - 28 = 20004021859 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20004022093 and 20004022102.
It is not an unprimeable number, because it can be changed into a prime (20004022117) 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, 25978865 + ... + 25979634.
It is an arithmetic number, because the mean of its divisors is an integer number (1870506000).
Almost surely, 220004022115 is an apocalyptic number.
20004022115 is a deficient number, since it is larger than the sum of its proper divisors (9924073885).
20004022115 is a wasteful number, since it uses less digits than its factorization.
20004022115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51958522.
The product of its (nonzero) digits is 160, while the sum is 17.
Adding to 20004022115 its reverse (51122040002), we get a palindrome (71126062117).
The spelling of 20004022115 in words is "twenty billion, four million, twenty-two thousand, one hundred fifteen".
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