Search a number
-
+
30422253251 = 1319731186099
BaseRepresentation
bin11100010101010011…
…101011111011000011
32220112011211120221102
4130111103223323003
5444301044101001
621550434245015
72124614612615
oct342523537303
986464746842
1030422253251
11119a1629165
125a9042676b
132b3a9c85b0
141688562db5
15bd0c35e6b
hex7154ebec3

30422253251 has 8 divisors (see below), whose sum is σ = 32779059600. Its totient is φ = 28067823072.

The previous prime is 30422253247. The next prime is 30422253259. The reversal of 30422253251 is 15235222403.

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 30422253251 - 22 = 30422253247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30422253259) 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, 567401 + ... + 618698.

It is an arithmetic number, because the mean of its divisors is an integer number (4097382450).

Almost surely, 230422253251 is an apocalyptic number.

30422253251 is a deficient number, since it is larger than the sum of its proper divisors (2356806349).

30422253251 is a wasteful number, since it uses less digits than its factorization.

30422253251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188085.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 30422253251 its reverse (15235222403), we get a palindrome (45657475654).

The spelling of 30422253251 in words is "thirty billion, four hundred twenty-two million, two hundred fifty-three thousand, two hundred fifty-one".

Divisors: 1 13 1973 25649 1186099 15419287 2340173327 30422253251