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111210130101013 = 156688970975117
BaseRepresentation
bin11001010010010100100000…
…010011001101001100010101
3112120202120210011211100020221
4121102110200103031030111
5104034031321301213023
61032305121203354341
732265444460616026
oct3122244023151425
9476676704740227
10111210130101013
1132486a51222099
12105813276829b1
134a090bb4c9078
141d668559b6c4d
15cccc6d90985d
hex6525204cd315

111210130101013 has 4 divisors (see below), whose sum is σ = 111210202643020. Its totient is φ = 111210057559008.

The previous prime is 111210130100999. The next prime is 111210130101019. The reversal of 111210130101013 is 310101031012111.

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

It can be written as a sum of positive squares in 2 ways, for example, as 46912937887204 + 64297192213809 = 6849302^2 + 8018553^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-111210130101013 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 (111210130101019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33920670 + ... + 37054447.

It is an arithmetic number, because the mean of its divisors is an integer number (27802550660755).

Almost surely, 2111210130101013 is an apocalyptic number.

It is an amenable number.

111210130101013 is a deficient number, since it is larger than the sum of its proper divisors (72542007).

111210130101013 is an equidigital number, since it uses as much as digits as its factorization.

111210130101013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72542006.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 111210130101013 its reverse (310101031012111), we get a palindrome (421311161113124).

The spelling of 111210130101013 in words is "one hundred eleven trillion, two hundred ten billion, one hundred thirty million, one hundred one thousand, thirteen".

Divisors: 1 1566889 70975117 111210130101013