Base | Representation |
---|---|
bin | 11100001100110111… |
… | …110110001100110101 |
3 | 2220011022112211221121 |
4 | 130030313312030311 |
5 | 444003332100324 |
6 | 21524421143541 |
7 | 2121246010534 |
oct | 341467661465 |
9 | 86138484847 |
10 | 30280737589 |
11 | 11929761373 |
12 | 5a50b5abb1 |
13 | 2b175aa40b |
14 | 167384631b |
15 | bc35d05e4 |
hex | 70cdf6335 |
30280737589 has 8 divisors (see below), whose sum is σ = 31882100000. Its totient is φ = 28680139152.
The previous prime is 30280737541. The next prime is 30280737631. The reversal of 30280737589 is 98573708203.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30280737589 - 221 = 30278640437 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 (30280767589) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108714 + ... + 269035.
It is an arithmetic number, because the mean of its divisors is an integer number (3985262500).
Almost surely, 230280737589 is an apocalyptic number.
It is an amenable number.
30280737589 is a deficient number, since it is larger than the sum of its proper divisors (1601362411).
30280737589 is a wasteful number, since it uses less digits than its factorization.
30280737589 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 381987.
The product of its (nonzero) digits is 2540160, while the sum is 52.
The spelling of 30280737589 in words is "thirty billion, two hundred eighty million, seven hundred thirty-seven thousand, five hundred eighty-nine".
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