Base | Representation |
---|---|
bin | 11100110000110001… |
… | …110011101010111001 |
3 | 2221201022001202122212 |
4 | 130300301303222321 |
5 | 1001222040243022 |
6 | 22104300424505 |
7 | 2142212210642 |
oct | 346061635271 |
9 | 87638052585 |
10 | 30883134137 |
11 | 121087a6859 |
12 | 5b9a848135 |
13 | 2bb2334a8b |
14 | 16cd8546c9 |
15 | c0b4233e2 |
hex | 730c73ab9 |
30883134137 has 4 divisors (see below), whose sum is σ = 31717813476. Its totient is φ = 30048454800.
The previous prime is 30883134089. The next prime is 30883134157. The reversal of 30883134137 is 73143138803.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 28781461801 + 2101672336 = 169651^2 + 45844^2 .
It is not a de Polignac number, because 30883134137 - 232 = 26588166841 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30883134094 and 30883134103.
It is not an unprimeable number, because it can be changed into a prime (30883134157) 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 3 ways as a sum of consecutive naturals, for example, 417339614 + ... + 417339687.
It is an arithmetic number, because the mean of its divisors is an integer number (7929453369).
Almost surely, 230883134137 is an apocalyptic number.
30883134137 is a gapful number since it is divisible by the number (37) formed by its first and last digit.
It is an amenable number.
30883134137 is a deficient number, since it is larger than the sum of its proper divisors (834679339).
30883134137 is an equidigital number, since it uses as much as digits as its factorization.
30883134137 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 834679338.
The product of its (nonzero) digits is 145152, while the sum is 41.
The spelling of 30883134137 in words is "thirty billion, eight hundred eighty-three million, one hundred thirty-four thousand, one hundred thirty-seven".
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