Base | Representation |
---|---|
bin | 11011111101010111… |
… | …001000101000100101 |
3 | 2212111011212121201021 |
4 | 123331113020220211 |
5 | 442440222112401 |
6 | 21442523331141 |
7 | 2111636034400 |
oct | 337527105045 |
9 | 85434777637 |
10 | 30020504101 |
11 | 11805879075 |
12 | 5999980ab1 |
13 | 2aa56c3ac3 |
14 | 164b064d37 |
15 | baa8292a1 |
hex | 6fd5c8a25 |
30020504101 has 12 divisors (see below), whose sum is σ = 35281835148. Its totient is φ = 25466579712.
The previous prime is 30020504069. The next prime is 30020504123. The reversal of 30020504101 is 10140502003.
It can be written as a sum of positive squares in 2 ways, for example, as 8116208100 + 21904296001 = 90090^2 + 148001^2 .
It is not a de Polignac number, because 30020504101 - 25 = 30020504069 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30020504131) 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 11 ways as a sum of consecutive naturals, for example, 3153306 + ... + 3162811.
It is an arithmetic number, because the mean of its divisors is an integer number (2940152929).
Almost surely, 230020504101 is an apocalyptic number.
It is an amenable number.
30020504101 is a deficient number, since it is larger than the sum of its proper divisors (5261331047).
30020504101 is an equidigital number, since it uses as much as digits as its factorization.
30020504101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6316228 (or 6316221 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 16.
The spelling of 30020504101 in words is "thirty billion, twenty million, five hundred four thousand, one hundred one".
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