Search a number
-
+
30212022011 = 293331029967
BaseRepresentation
bin11100001000110001…
…101101111011111011
32212222112020201220012
4130020301231323323
5443333234201021
621513524252135
72116452643553
oct341061557373
985875221805
1030212022011
11118a3998336
125a31b4104b
132b0629b402
14166867a163
15bbc55a35b
hex708c6defb

30212022011 has 4 divisors (see below), whose sum is σ = 30213081312. Its totient is φ = 30210962712.

The previous prime is 30212021981. The next prime is 30212022017. The reversal of 30212022011 is 11022021203.

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-30212022011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30212022017) 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, 485651 + ... + 544316.

It is an arithmetic number, because the mean of its divisors is an integer number (7553270328).

Almost surely, 230212022011 is an apocalyptic number.

30212022011 is a deficient number, since it is larger than the sum of its proper divisors (1059301).

30212022011 is a wasteful number, since it uses less digits than its factorization.

30212022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059300.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 30212022011 its reverse (11022021203), we get a palindrome (41234043214).

The spelling of 30212022011 in words is "thirty billion, two hundred twelve million, twenty-two thousand, eleven".

Divisors: 1 29333 1029967 30212022011