Search a number
-
+
30311133302 = 215155566651
BaseRepresentation
bin11100001110101011…
…110011000001110110
32220020102202010000202
4130032223303001312
5444034122231202
621531424440502
72122065245012
oct341653630166
986212663022
1030311133302
111194493209a
125a5b179132
132b20990548
1416778b9542
15bc60d6802
hex70eaf3076

30311133302 has 4 divisors (see below), whose sum is σ = 45466699956. Its totient is φ = 15155566650.

The previous prime is 30311133287. The next prime is 30311133313. The reversal of 30311133302 is 20333111303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20333111303 = 102253198851.

It is a super-2 number, since 2×303111333022 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7577783324 + ... + 7577783327.

It is an arithmetic number, because the mean of its divisors is an integer number (11366674989).

Almost surely, 230311133302 is an apocalyptic number.

30311133302 is a deficient number, since it is larger than the sum of its proper divisors (15155566654).

30311133302 is a wasteful number, since it uses less digits than its factorization.

30311133302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15155566653.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 30311133302 its reverse (20333111303), we get a palindrome (50644244605).

The spelling of 30311133302 in words is "thirty billion, three hundred eleven million, one hundred thirty-three thousand, three hundred two".

Divisors: 1 2 15155566651 30311133302