Base | Representation |
---|---|
bin | 1101111011000001000111… |
… | …00111111000011000100011 |
3 | 11000101202222200001012120000 |
4 | 12331200203213320120203 |
5 | 13003044233340334021 |
6 | 145040221040551043 |
7 | 6306604216625631 |
oct | 675404347703043 |
9 | 130352880035500 |
10 | 30615124543011 |
11 | 983388a740678 |
12 | 35254bb322483 |
13 | 1410cbc670498 |
14 | 77bacc1d4351 |
15 | 38158285cb26 |
hex | 1bd8239f8623 |
30615124543011 has 80 divisors (see below), whose sum is σ = 49919089466400. Its totient is φ = 18624757939200.
The previous prime is 30615124543007. The next prime is 30615124543013. The reversal of 30615124543011 is 11034542151603.
30615124543011 is a `hidden beast` number, since 3 + 0 + 61 + 51 + 2 + 4 + 543 + 0 + 1 + 1 = 666.
It is not a de Polignac number, because 30615124543011 - 22 = 30615124543007 is a prime.
It is a super-2 number, since 2×306151245430112 (a number of 28 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30615124543013) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 17974971 + ... + 19604331.
It is an arithmetic number, because the mean of its divisors is an integer number (623988618330).
Almost surely, 230615124543011 is an apocalyptic number.
30615124543011 is a deficient number, since it is larger than the sum of its proper divisors (19303964923389).
30615124543011 is a wasteful number, since it uses less digits than its factorization.
30615124543011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1629842 (or 1629833 counting only the distinct ones).
The product of its (nonzero) digits is 43200, while the sum is 36.
Adding to 30615124543011 its reverse (11034542151603), we get a palindrome (41649666694614).
The spelling of 30615124543011 in words is "thirty trillion, six hundred fifteen billion, one hundred twenty-four million, five hundred forty-three thousand, eleven".
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