Search a number
-
+
30011030220 = 2235500183837
BaseRepresentation
bin11011111100110010…
…111111101011001100
32212110112001021222210
4123330302333223030
5442430310431340
621441544310420
72111462355633
oct337462775314
985415037883
1030011030220
1111800498216
125996772410
132aa3757862
141649aba51a
15ba9aa7180
hex6fccbfacc

30011030220 has 24 divisors (see below), whose sum is σ = 84030884784. Its totient is φ = 8002941376.

The previous prime is 30011030201. The next prime is 30011030221. The reversal of 30011030220 is 2203011003.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 30011030196 and 30011030205.

It is not an unprimeable number, because it can be changed into a prime (30011030221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250091859 + ... + 250091978.

It is an arithmetic number, because the mean of its divisors is an integer number (3501286866).

Almost surely, 230011030220 is an apocalyptic number.

30011030220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30011030220 is an abundant number, since it is smaller than the sum of its proper divisors (54019854564).

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

30011030220 is a wasteful number, since it uses less digits than its factorization.

30011030220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500183849 (or 500183847 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 30011030220 its reverse (2203011003), we get a palindrome (32214041223).

The spelling of 30011030220 in words is "thirty billion, eleven million, thirty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 500183837 1000367674 1500551511 2000735348 2500919185 3001103022 5001838370 6002206044 7502757555 10003676740 15005515110 30011030220