Base | Representation |
---|---|
bin | 11100010110100111… |
… | …111001111111111001 |
3 | 2220120201101020220212 |
4 | 130112213321333321 |
5 | 444322222043001 |
6 | 21552543400505 |
7 | 2125303354340 |
oct | 342647717771 |
9 | 86521336825 |
10 | 30444331001 |
11 | 11a03038537 |
12 | 5a978b3135 |
13 | 2b42458656 |
14 | 168b46cb57 |
15 | bd2b477bb |
hex | 7169f9ff9 |
30444331001 has 16 divisors (see below), whose sum is σ = 35160892800. Its totient is φ = 25820270208.
The previous prime is 30444330991. The next prime is 30444331007. The reversal of 30444331001 is 10013344403.
It is a cyclic number.
It is not a de Polignac number, because 30444331001 - 210 = 30444329977 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30444331007) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 536861 + ... + 590853.
It is an arithmetic number, because the mean of its divisors is an integer number (2197555800).
Almost surely, 230444331001 is an apocalyptic number.
It is an amenable number.
30444331001 is a deficient number, since it is larger than the sum of its proper divisors (4716561799).
30444331001 is a wasteful number, since it uses less digits than its factorization.
30444331001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54848.
The product of its (nonzero) digits is 1728, while the sum is 23.
Adding to 30444331001 its reverse (10013344403), we get a palindrome (40457675404).
The spelling of 30444331001 in words is "thirty billion, four hundred forty-four million, three hundred thirty-one thousand, one".
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