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212320031213023 = 214399076076161
BaseRepresentation
bin110000010001101010011100…
…000010100000010111011111
31000211202121010000220020120121
4300101222130002200113133
5210312122410442304043
62031322250435055411
762502421205626516
oct6021523402402737
91024677100806517
10212320031213023
11617194684a2258
121b991064a41567
139161901793126
143a604b6c3367d
151982de8002ded
hexc11a9c0a05df

212320031213023 has 4 divisors (see below), whose sum is σ = 212419107291328. Its totient is φ = 212220955134720.

The previous prime is 212320031212987. The next prime is 212320031213051. The reversal of 212320031213023 is 320312130023212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-212320031213023 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 (212320061213023) 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, 49538035938 + ... + 49538040223.

It is an arithmetic number, because the mean of its divisors is an integer number (53104776822832).

Almost surely, 2212320031213023 is an apocalyptic number.

212320031213023 is a deficient number, since it is larger than the sum of its proper divisors (99076078305).

212320031213023 is an equidigital number, since it uses as much as digits as its factorization.

212320031213023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99076078304.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 212320031213023 its reverse (320312130023212), we get a palindrome (532632161236235).

The spelling of 212320031213023 in words is "two hundred twelve trillion, three hundred twenty billion, thirty-one million, two hundred thirteen thousand, twenty-three".

Divisors: 1 2143 99076076161 212320031213023