Search a number
BaseRepresentation
bin1000110010101111111…
…00100101110011101101
31001212211111010101002002
410121113330211303231
514422222020241023
6350443220542045
730553615634000
oct4312774456355
91055744111062
10302123212013
11107147749977
124a678551925
132264a985b8c
14108a1111537
hex4657f25ced

302123212013 has 32 divisors (see below), whose sum is σ = 359583840000. Its totient is φ = 253662823680.

The previous prime is 302123212007. The next prime is 302123212087. The reversal of 302123212013 is 310212321203.

Adding to 302123212013 its reverse (310212321203), we get a palindrome (612335533216).

It is a de Polignac number, because none of the positive numbers 2k-302123212013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302123212003) 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, 5660033 + ... + 5713161.

It is an arithmetic number, because the mean of its divisors is an integer number (11236995000).

Almost surely, 2302123212013 is an apocalyptic number.

It is an amenable number.

302123212013 is a deficient number, since it is larger than the sum of its proper divisors (57460627987).

302123212013 is an equidigital number, since it uses as much as digits as its factorization.

302123212013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53490 (or 53476 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The spelling of 302123212013 in words is "three hundred two billion, one hundred twenty-three million, two hundred twelve thousand, thirteen".