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30013212111 = 34311316712329
BaseRepresentation
bin11011111100111011…
…010100010111001111
32212110200011010222120
4123330323110113033
5442431340241421
621442103144023
72111520044061
oct337473242717
985420133876
1030013212111
1111801748533
125997445013
132aa403ca0c
14164a0c7731
15ba9d888c6
hex6fced45cf

30013212111 has 32 divisors (see below), whose sum is σ = 41561372160. Its totient is φ = 19252982784.

The previous prime is 30013212109. The next prime is 30013212133. The reversal of 30013212111 is 11121231003.

It is a happy number.

It is not a de Polignac number, because 30013212111 - 21 = 30013212109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30013212101) 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 31 ways as a sum of consecutive naturals, for example, 2428195 + ... + 2440523.

It is an arithmetic number, because the mean of its divisors is an integer number (1298792880).

Almost surely, 230013212111 is an apocalyptic number.

30013212111 is a deficient number, since it is larger than the sum of its proper divisors (11548160049).

30013212111 is a wasteful number, since it uses less digits than its factorization.

30013212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12655.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 30013212111 its reverse (11121231003), we get a palindrome (41134443114).

The spelling of 30013212111 in words is "thirty billion, thirteen million, two hundred twelve thousand, one hundred eleven".

Divisors: 1 3 43 113 129 167 339 501 4859 7181 12329 14577 18871 21543 36987 56613 530147 811453 1393177 1590441 2058943 2434359 4179531 6176829 59906611 88534549 179719833 232660559 265603647 697981677 10004404037 30013212111