Search a number
-
+
30432210222 = 239752289021
BaseRepresentation
bin11100010101111001…
…101010110100101110
32220112212120110100010
4130111321222310232
5444311121211342
621551431514050
72125065342651
oct342571526456
986485513303
1030432210222
11119a7209a67
125a93828926
132b3caa36ab
1416899d5898
15bd1a5129c
hex715e6ad2e

30432210222 has 16 divisors (see below), whose sum is σ = 61491889872. Its totient is φ = 10039491840.

The previous prime is 30432210139. The next prime is 30432210241. The reversal of 30432210222 is 22201223403.

It is a super-2 number, since 2×304322102222 (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 in 7 ways as a sum of consecutive naturals, for example, 26143929 + ... + 26145092.

It is an arithmetic number, because the mean of its divisors is an integer number (3843243117).

Almost surely, 230432210222 is an apocalyptic number.

30432210222 is an abundant number, since it is smaller than the sum of its proper divisors (31059679650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30432210222 is a wasteful number, since it uses less digits than its factorization.

30432210222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52289123.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 30432210222 its reverse (22201223403), we get a palindrome (52633433625).

The spelling of 30432210222 in words is "thirty billion, four hundred thirty-two million, two hundred ten thousand, two hundred twenty-two".

Divisors: 1 2 3 6 97 194 291 582 52289021 104578042 156867063 313734126 5072035037 10144070074 15216105111 30432210222