Search a number
-
+
30412323442 = 215206161721
BaseRepresentation
bin11100010100101101…
…110011101001110010
32220111111011002210201
4130110231303221302
5444241023322232
621545441345414
72124434325004
oct342455635162
986444132721
1030412323442
1111996a66806
125a8903826a
132b3892c977
1416870da374
15bcee23be7
hex714b73a72

30412323442 has 4 divisors (see below), whose sum is σ = 45618485166. Its totient is φ = 15206161720.

The previous prime is 30412323391. The next prime is 30412323479. The reversal of 30412323442 is 24432321403.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 30387811041 + 24512401 = 174321^2 + 4951^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30412323442.

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 as a sum of consecutive naturals, namely, 7603080859 + ... + 7603080862.

Almost surely, 230412323442 is an apocalyptic number.

30412323442 is a deficient number, since it is larger than the sum of its proper divisors (15206161724).

30412323442 is a wasteful number, since it uses less digits than its factorization.

30412323442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15206161723.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 30412323442 its reverse (24432321403), we get a palindrome (54844644845).

The spelling of 30412323442 in words is "thirty billion, four hundred twelve million, three hundred twenty-three thousand, four hundred forty-two".

Divisors: 1 2 15206161721 30412323442