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30444112100 = 22525914934631
BaseRepresentation
bin11100010110100111…
…000100100011100100
32220120200222010122102
4130112213010203210
5444322143041400
621552534551232
72125301453213
oct342647044344
986520863572
1030444112100
1111a029a9026
125a97808518
132b423acb1c
14168b41307a
15bd2b029d5
hex7169c48e4

30444112100 has 72 divisors (see below), whose sum is σ = 67636296000. Its totient is φ = 11890556800.

The previous prime is 30444112093. The next prime is 30444112147. The reversal of 30444112100 is 121144403.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 861785 + ... + 896415.

It is an arithmetic number, because the mean of its divisors is an integer number (939393000).

Almost surely, 230444112100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30444112100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33818148000).

30444112100 is an abundant number, since it is smaller than the sum of its proper divisors (37192183900).

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

30444112100 is a wasteful number, since it uses less digits than its factorization.

30444112100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34853 (or 34846 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 30444112100 its reverse (121144403), we get a palindrome (30565256503).

The spelling of 30444112100 in words is "thirty billion, four hundred forty-four million, one hundred twelve thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 59 100 118 149 236 295 298 590 596 745 1180 1475 1490 2950 2980 3725 5900 7450 8791 14900 17582 34631 35164 43955 69262 87910 138524 173155 175820 219775 346310 439550 692620 865775 879100 1731550 2043229 3463100 4086458 5160019 8172916 10216145 10320038 20432290 20640076 25800095 40864580 51080725 51600190 102161450 103200380 129000475 204322900 258000950 304441121 516001900 608882242 1217764484 1522205605 3044411210 6088822420 7611028025 15222056050 30444112100