Base | Representation |
---|---|
bin | 11100000001100000… |
… | …001111011011011001 |
3 | 2212200000122101021202 |
4 | 130001200033123121 |
5 | 443111020000324 |
6 | 21453445043545 |
7 | 2113441531532 |
oct | 340140173331 |
9 | 85600571252 |
10 | 30090000089 |
11 | 11841025476 |
12 | 59b90b65b5 |
13 | 2ab6c170a6 |
14 | 1656395689 |
15 | bb19a58ae |
hex | 70180f6d9 |
30090000089 has 2 divisors, whose sum is σ = 30090000090. Its totient is φ = 30090000088.
The previous prime is 30089999981. The next prime is 30090000091. The reversal of 30090000089 is 98000009003.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 15420672400 + 14669327689 = 124180^2 + 121117^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30090000089 is a prime.
Together with 30090000091, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (30090005089) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15045000044 + 15045000045.
It is an arithmetic number, because the mean of its divisors is an integer number (15045000045).
Almost surely, 230090000089 is an apocalyptic number.
It is an amenable number.
30090000089 is a deficient number, since it is larger than the sum of its proper divisors (1).
30090000089 is an equidigital number, since it uses as much as digits as its factorization.
30090000089 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1944, while the sum is 29.
The spelling of 30090000089 in words is "thirty billion, ninety million, eighty-nine", and thus it is an aban number and an uban number.
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