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30120132444 = 2237069355073
BaseRepresentation
bin11100000011010011…
…001011111101011100
32212202010100021002220
4130003103023331130
5443141223214234
621500442545340
72114255621133
oct340323137534
985663307086
1030120132444
1111857036346
125a07208250
132ac023739c
14165a39a91a
15bb4458a49
hex7034cbf5c

30120132444 has 24 divisors (see below), whose sum is σ = 70290449040. Its totient is φ = 10038595584.

The previous prime is 30120132431. The next prime is 30120132467. The reversal of 30120132444 is 44423102103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92709 + ... + 262364.

It is an arithmetic number, because the mean of its divisors is an integer number (2928768710).

Almost surely, 230120132444 is an apocalyptic number.

It is an amenable number.

30120132444 is an abundant number, since it is smaller than the sum of its proper divisors (40170316596).

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

30120132444 is a wasteful number, since it uses less digits than its factorization.

30120132444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362149 (or 362147 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 30120132444 its reverse (44423102103), we get a palindrome (74543234547).

The spelling of 30120132444 in words is "thirty billion, one hundred twenty million, one hundred thirty-two thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 7069 14138 21207 28276 42414 84828 355073 710146 1065219 1420292 2130438 4260876 2510011037 5020022074 7530033111 10040044148 15060066222 30120132444