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30111231313102 = 2195124971546157
BaseRepresentation
bin1101101100010110100010…
…01111110000010011001110
310221121121100111000220220011
412312023101033300103032
512421320300204004402
6144012524140143434
76225315245062612
oct666132117602316
9127547314026804
1030111231313102
11965a1130949a5
123463912537b7a
1313a5627a75194
14761569cd1342
153733e0044ed7
hex1b62d13f04ce

30111231313102 has 16 divisors (see below), whose sum is σ = 47544172961040. Its totient is φ = 14263177776768.

The previous prime is 30111231313021. The next prime is 30111231313103. The reversal of 30111231313102 is 20131313211103.

It is a super-2 number, since 2×301112313131022 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30111231313103) 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, 18701808 + ... + 20247964.

It is an arithmetic number, because the mean of its divisors is an integer number (2971510810065).

Almost surely, 230111231313102 is an apocalyptic number.

30111231313102 is a deficient number, since it is larger than the sum of its proper divisors (17432941647938).

30111231313102 is a wasteful number, since it uses less digits than its factorization.

30111231313102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2058675.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 30111231313102 its reverse (20131313211103), we get a palindrome (50242544524205).

The spelling of 30111231313102 in words is "thirty trillion, one hundred eleven billion, two hundred thirty-one million, three hundred thirteen thousand, one hundred two".

Divisors: 1 2 19 38 512497 1024994 1546157 3092314 9737443 19474886 29376983 58753966 792400824029 1584801648058 15055615656551 30111231313102