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30302212111 = 191594853269
BaseRepresentation
bin11100001110001001…
…110001000000001111
32220012210221212110021
4130032021301000033
5444024331241421
621530505323011
72121626360503
oct341611610017
986183855407
1030302212111
111193a899506
125a58196467
132b1bb88a32
141676636303
15bc5423341
hex70e27100f

30302212111 has 4 divisors (see below), whose sum is σ = 31897065400. Its totient is φ = 28707358824.

The previous prime is 30302212093. The next prime is 30302212117. The reversal of 30302212111 is 11121220303.

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

It is a cyclic number.

It is not a de Polignac number, because 30302212111 - 227 = 30167994383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30302212117) 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, 797426616 + ... + 797426653.

It is an arithmetic number, because the mean of its divisors is an integer number (7974266350).

Almost surely, 230302212111 is an apocalyptic number.

30302212111 is a deficient number, since it is larger than the sum of its proper divisors (1594853289).

30302212111 is a wasteful number, since it uses less digits than its factorization.

30302212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594853288.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 30302212111 its reverse (11121220303), we get a palindrome (41423432414).

The spelling of 30302212111 in words is "thirty billion, three hundred two million, two hundred twelve thousand, one hundred eleven".

Divisors: 1 19 1594853269 30302212111