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122213300321 = 717459042903
BaseRepresentation
bin111000111010001111…
…0101111100001100001
3102200110020212220202102
41301310132233201201
54000243101102241
6132051035100145
711554362625010
oct1616436574141
9380406786672
10122213300321
1147915249442
121b828ba1655
13b6a88c4828
145cb5286a77
1532a444d39b
hex1c747af861

122213300321 has 4 divisors (see below), whose sum is σ = 139672343232. Its totient is φ = 104754257412.

The previous prime is 122213300317. The next prime is 122213300359. The reversal of 122213300321 is 123003312221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 122213300321 - 22 = 122213300317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122213300293 and 122213300302.

It is not an unprimeable number, because it can be changed into a prime (122213300021) 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, 8729521445 + ... + 8729521458.

It is an arithmetic number, because the mean of its divisors is an integer number (34918085808).

Almost surely, 2122213300321 is an apocalyptic number.

It is an amenable number.

122213300321 is a deficient number, since it is larger than the sum of its proper divisors (17459042911).

122213300321 is an equidigital number, since it uses as much as digits as its factorization.

122213300321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17459042910.

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

Adding to 122213300321 its reverse (123003312221), we get a palindrome (245216612542).

The spelling of 122213300321 in words is "one hundred twenty-two billion, two hundred thirteen million, three hundred thousand, three hundred twenty-one".

Divisors: 1 7 17459042903 122213300321