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30444144144 = 2431933381737
BaseRepresentation
bin11100010110100111…
…001100011000010000
32220120201000202121020
4130112213030120100
5444322200103034
621552535355440
72125301645511
oct342647143020
986521022536
1030444144144
1111a02a20107
125a97822b80
132b423c159b
14168b420a08
15bd2b0c249
hex7169cc610

30444144144 has 40 divisors (see below), whose sum is σ = 82786710240. Its totient is φ = 9613939968.

The previous prime is 30444144131. The next prime is 30444144167. The reversal of 30444144144 is 44144144403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16689957 + ... + 16691780.

It is an arithmetic number, because the mean of its divisors is an integer number (2069667756).

Almost surely, 230444144144 is an apocalyptic number.

It is an amenable number.

30444144144 is an abundant number, since it is smaller than the sum of its proper divisors (52342566096).

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

30444144144 is a wasteful number, since it uses less digits than its factorization.

30444144144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33381767 (or 33381761 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 30444144144 its reverse (44144144403), we get a palindrome (74588288547).

The spelling of 30444144144 in words is "thirty billion, four hundred forty-four million, one hundred forty-four thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 19 24 38 48 57 76 114 152 228 304 456 912 33381737 66763474 100145211 133526948 200290422 267053896 400580844 534107792 634253003 801161688 1268506006 1602323376 1902759009 2537012012 3805518018 5074024024 7611036036 10148048048 15222072072 30444144144