Search a number
-
+
30000201444 = 22331716339979
BaseRepresentation
bin11011111100001001…
…101011111011100100
32212102202200010201000
4123330021223323210
5442420022421234
621440520233300
72111301335103
oct337411537344
985382603630
1030000201444
11117a5371414
12599300b830
132aa14359b5
14164849c03a
15ba8b68899
hex6fc26bee4

30000201444 has 48 divisors (see below), whose sum is σ = 82353499200. Its totient is φ = 9411827328.

The previous prime is 30000201433. The next prime is 30000201463. The reversal of 30000201444 is 44410200003.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8168154 + ... + 8171825.

It is an arithmetic number, because the mean of its divisors is an integer number (1715697900).

Almost surely, 230000201444 is an apocalyptic number.

30000201444 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

30000201444 is an abundant number, since it is smaller than the sum of its proper divisors (52353297756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30000201444 is a wasteful number, since it uses less digits than its factorization.

30000201444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16340009 (or 16340001 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 30000201444 its reverse (44410200003), we get a palindrome (74410401447).

The spelling of 30000201444 in words is "thirty billion, two hundred one thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 9 12 17 18 27 34 36 51 54 68 102 108 153 204 306 459 612 918 1836 16339979 32679958 49019937 65359916 98039874 147059811 196079748 277779643 294119622 441179433 555559286 588239244 833338929 882358866 1111118572 1666677858 1764717732 2500016787 3333355716 5000033574 7500050361 10000067148 15000100722 30000201444