Search a number
-
+
30354012230 = 2519115892153
BaseRepresentation
bin11100010001001111…
…010111100001000110
32220100102102120212012
4130101033113201012
5444131111342410
621535555454222
72123125563323
oct342117274106
986312376765
1030354012230
1111967059723
125a715b7372
132b298245a9
14167d47bb4a
15bc9c56605
hex7113d7846

30354012230 has 16 divisors (see below), whose sum is σ = 54923284224. Its totient is φ = 12078035520.

The previous prime is 30354012187. The next prime is 30354012257. The reversal of 30354012230 is 3221045303.

It is a junction number, because it is equal to n+sod(n) for n = 30354012196 and 30354012205.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7944167 + ... + 7947986.

It is an arithmetic number, because the mean of its divisors is an integer number (3432705264).

Almost surely, 230354012230 is an apocalyptic number.

30354012230 is a deficient number, since it is larger than the sum of its proper divisors (24569271994).

30354012230 is a wasteful number, since it uses less digits than its factorization.

30354012230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15892351.

The product of its (nonzero) digits is 2160, while the sum is 23.

Adding to 30354012230 its reverse (3221045303), we get a palindrome (33575057533).

The spelling of 30354012230 in words is "thirty billion, three hundred fifty-four million, twelve thousand, two hundred thirty".

Divisors: 1 2 5 10 191 382 955 1910 15892153 31784306 79460765 158921530 3035401223 6070802446 15177006115 30354012230