Base | Representation |
---|---|
bin | 11101101100010100111… |
… | …10001000100001111001 |
3 | 10121112101121111102220022 |
4 | 32312022132020201321 |
5 | 113203412440413332 |
6 | 2100404250140225 |
7 | 133465155231233 |
oct | 16661236104171 |
9 | 3545347442808 |
10 | 1020230404217 |
11 | 36374a514022 |
12 | 145889121675 |
13 | 7529061471b |
14 | 37545187253 |
15 | 1b812845212 |
hex | ed8a788879 |
1020230404217 has 2 divisors, whose sum is σ = 1020230404218. Its totient is φ = 1020230404216.
The previous prime is 1020230404189. The next prime is 1020230404267. The reversal of 1020230404217 is 7124040320201.
1020230404217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 955488655081 + 64741749136 = 977491^2 + 254444^2 .
It is a cyclic number.
It is not a de Polignac number, because 1020230404217 - 28 = 1020230403961 is a prime.
It is a super-2 number, since 2×10202304042172 (a number of 25 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (1020230404267) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510115202108 + 510115202109.
It is an arithmetic number, because the mean of its divisors is an integer number (510115202109).
Almost surely, 21020230404217 is an apocalyptic number.
It is an amenable number.
1020230404217 is a deficient number, since it is larger than the sum of its proper divisors (1).
1020230404217 is an equidigital number, since it uses as much as digits as its factorization.
1020230404217 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2688, while the sum is 26.
Adding to 1020230404217 its reverse (7124040320201), we get a palindrome (8144270724418).
The spelling of 1020230404217 in words is "one trillion, twenty billion, two hundred thirty million, four hundred four thousand, two hundred seventeen".
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