Search a number
-
+
30142022222 = 2137315880939
BaseRepresentation
bin11100000100100110…
…101100001001001110
32212210122112101020102
4130010212230021032
5443212324202342
621502544051102
72114642650544
oct340446541116
985718471212
1030142022222
1111868427474
125a12603a92
132ac492ca10
14165d257d94
15bb632e832
hex7049ac24e

30142022222 has 16 divisors (see below), whose sum is σ = 49357961520. Its totient is φ = 13721130432.

The previous prime is 30142022221. The next prime is 30142022297. The reversal of 30142022222 is 22222024103.

It is a junction number, because it is equal to n+sod(n) for n = 30142022194 and 30142022203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30142022221) 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, 7938572 + ... + 7942367.

It is an arithmetic number, because the mean of its divisors is an integer number (3084872595).

Almost surely, 230142022222 is an apocalyptic number.

30142022222 is a deficient number, since it is larger than the sum of its proper divisors (19215939298).

30142022222 is a wasteful number, since it uses less digits than its factorization.

30142022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15881027.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 30142022222 its reverse (22222024103), we get a palindrome (52364046325).

The spelling of 30142022222 in words is "thirty billion, one hundred forty-two million, twenty-two thousand, two hundred twenty-two".

Divisors: 1 2 13 26 73 146 949 1898 15880939 31761878 206452207 412904414 1159308547 2318617094 15071011111 30142022222