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30220032011 = 132324617847
BaseRepresentation
bin11100001001010000…
…010001100000001011
32220000002022200112212
4130021100101200023
5443342312011021
621514412055335
72116611014411
oct341120214013
986002280485
1030220032011
11118a8469374
125a3476454b
132b07b44260
1416697632b1
15bbd0dd85b
hex70941180b

30220032011 has 4 divisors (see below), whose sum is σ = 32544649872. Its totient is φ = 27895414152.

The previous prime is 30220031987. The next prime is 30220032023. The reversal of 30220032011 is 11023002203.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30220032011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30220034011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1162308911 + ... + 1162308936.

It is an arithmetic number, because the mean of its divisors is an integer number (8136162468).

Almost surely, 230220032011 is an apocalyptic number.

30220032011 is a deficient number, since it is larger than the sum of its proper divisors (2324617861).

30220032011 is a wasteful number, since it uses less digits than its factorization.

30220032011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2324617860.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 30220032011 its reverse (11023002203), we get a palindrome (41243034214).

The spelling of 30220032011 in words is "thirty billion, two hundred twenty million, thirty-two thousand, eleven".

Divisors: 1 13 2324617847 30220032011