Base | Representation |
---|---|
bin | 11100011101001001… |
… | …011101110001100101 |
3 | 2220212100100102121201 |
4 | 130131021131301211 |
5 | 1000033232312324 |
6 | 22011453442501 |
7 | 2131102641406 |
oct | 343511356145 |
9 | 86770312551 |
10 | 30553791589 |
11 | 11a59900932 |
12 | 5b084a0431 |
13 | 2b5c032329 |
14 | 169bc039ad |
15 | bdc56a444 |
hex | 71d25dc65 |
30553791589 has 4 divisors (see below), whose sum is σ = 31299006060. Its totient is φ = 29808577120.
The previous prime is 30553791577. The next prime is 30553791601. The reversal of 30553791589 is 98519735503.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (30553791577) and next prime (30553791601).
It can be written as a sum of positive squares in 2 ways, for example, as 3802572225 + 26751219364 = 61665^2 + 163558^2 .
It is a cyclic number.
It is not a de Polignac number, because 30553791589 - 227 = 30419573861 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30553794589) 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, 372607174 + ... + 372607255.
It is an arithmetic number, because the mean of its divisors is an integer number (7824751515).
Almost surely, 230553791589 is an apocalyptic number.
It is an amenable number.
30553791589 is a deficient number, since it is larger than the sum of its proper divisors (745214471).
30553791589 is an equidigital number, since it uses as much as digits as its factorization.
30553791589 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 745214470.
The product of its (nonzero) digits is 5103000, while the sum is 55.
The spelling of 30553791589 in words is "thirty billion, five hundred fifty-three million, seven hundred ninety-one thousand, five hundred eighty-nine".
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