Base | Representation |
---|---|
bin | 1101101111000101001100… |
… | …10011011010000111001111 |
3 | 10221221120101101121102021102 |
4 | 12313202212103122013033 |
5 | 12424334320013143043 |
6 | 144123552511253315 |
7 | 6235145026634534 |
oct | 667424623320717 |
9 | 127846341542242 |
10 | 30205000131023 |
11 | 9695961149743 |
12 | 3479b2151a23b |
13 | 13b141c634823 |
14 | 765d03564d8b |
15 | 375a7c1cd6b8 |
hex | 1b78a64da1cf |
30205000131023 has 2 divisors, whose sum is σ = 30205000131024. Its totient is φ = 30205000131022.
The previous prime is 30205000131011. The next prime is 30205000131067. The reversal of 30205000131023 is 32013100050203.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 30205000131023 - 234 = 30187820261839 is a prime.
It is a super-3 number, since 3×302050001310233 (a number of 41 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30205000130986 and 30205000131004.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30205000131623) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15102500065511 + 15102500065512.
It is an arithmetic number, because the mean of its divisors is an integer number (15102500065512).
Almost surely, 230205000131023 is an apocalyptic number.
30205000131023 is a deficient number, since it is larger than the sum of its proper divisors (1).
30205000131023 is an equidigital number, since it uses as much as digits as its factorization.
30205000131023 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 540, while the sum is 20.
Adding to 30205000131023 its reverse (32013100050203), we get a palindrome (62218100181226).
The spelling of 30205000131023 in words is "thirty trillion, two hundred five billion, one hundred thirty-one thousand, twenty-three".
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