Search a number
-
+
30124221341 = 43700563287
BaseRepresentation
bin11100000011100010…
…110010001110011101
32212202102001000000112
4130003202302032131
5443143300040331
621501110335405
72114335441124
oct340342621635
985672030015
1030124221341
11118593793a5
125a0865a565
132ac1039556
14165ab42abb
15bb49b532b
hex7038b239d

30124221341 has 4 divisors (see below), whose sum is σ = 30824784672. Its totient is φ = 29423658012.

The previous prime is 30124221271. The next prime is 30124221371. The reversal of 30124221341 is 14312242103.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30124221341 - 210 = 30124220317 is a prime.

It is a super-2 number, since 2×301242213412 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30124221371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350281601 + ... + 350281686.

It is an arithmetic number, because the mean of its divisors is an integer number (7706196168).

Almost surely, 230124221341 is an apocalyptic number.

It is an amenable number.

30124221341 is a deficient number, since it is larger than the sum of its proper divisors (700563331).

30124221341 is an equidigital number, since it uses as much as digits as its factorization.

30124221341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700563330.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 30124221341 its reverse (14312242103), we get a palindrome (44436463444).

The spelling of 30124221341 in words is "thirty billion, one hundred twenty-four million, two hundred twenty-one thousand, three hundred forty-one".

Divisors: 1 43 700563287 30124221341