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30412403444 = 227603100861
BaseRepresentation
bin11100010100101110…
…000111001011110100
32220111111022011112202
4130110232013023310
5444241033402234
621545443204032
72124435110153
oct342456071364
986444264482
1030412403444
1111997010925
125a89076618
132b3895a1c7
14168711b59a
15bcee3c77e
hex714b872f4

30412403444 has 6 divisors (see below), whose sum is σ = 53221706034. Its totient is φ = 15206201720.

The previous prime is 30412403389. The next prime is 30412403467. The reversal of 30412403444 is 44430421403.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 23885702500 + 6526700944 = 154550^2 + 80788^2 .

It is a super-2 number, since 2×304124034442 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3801550427 + ... + 3801550434.

It is an arithmetic number, because the mean of its divisors is an integer number (8870284339).

Almost surely, 230412403444 is an apocalyptic number.

It is an amenable number.

30412403444 is a deficient number, since it is larger than the sum of its proper divisors (22809302590).

30412403444 is a wasteful number, since it uses less digits than its factorization.

30412403444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7603100865 (or 7603100863 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 30412403444 its reverse (44430421403), we get a palindrome (74842824847).

The spelling of 30412403444 in words is "thirty billion, four hundred twelve million, four hundred three thousand, four hundred forty-four".

Divisors: 1 2 4 7603100861 15206201722 30412403444