Search a number
-
+
30522214243 = 831289285289
BaseRepresentation
bin11100011011010001…
…000000011101100011
32220210010221010122101
4130123101000131203
51000002141323433
622004404551231
72130240353233
oct343321003543
986703833571
1030522214243
1111a42aa3354
125ab99b2517
132b55627401
141697943cc3
15bd98ce07d
hex71b440763

30522214243 has 8 divisors (see below), whose sum is σ = 30914024400. Its totient is φ = 30130977408.

The previous prime is 30522214199. The next prime is 30522214259. The reversal of 30522214243 is 34241222503.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30522214243 - 229 = 29985343331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30522214343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35658 + ... + 249631.

It is an arithmetic number, because the mean of its divisors is an integer number (3864253050).

Almost surely, 230522214243 is an apocalyptic number.

30522214243 is a deficient number, since it is larger than the sum of its proper divisors (391810157).

30522214243 is a wasteful number, since it uses less digits than its factorization.

30522214243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286661.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 30522214243 its reverse (34241222503), we get a palindrome (64763436746).

The spelling of 30522214243 in words is "thirty billion, five hundred twenty-two million, two hundred fourteen thousand, two hundred forty-three".

Divisors: 1 83 1289 106987 285289 23678987 367737521 30522214243