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122203303302221 = 1722931390522297
BaseRepresentation
bin11011110010010010101100…
…011110111101010001001101
3121000200112002022122201011122
4123302102230132331101031
5112004134331121132341
61111523231133130325
734511616530224031
oct3362225436752115
9530615068581148
10122203303302221
1135a35147976029
121185799b0299a5
13532595047a5bb
1422269585da1c1
15e1dbc5aad94b
hex6f24ac7bd44d

122203303302221 has 8 divisors (see below), whose sum is σ = 129956762313720. Its totient is φ = 114512625335808.

The previous prime is 122203303302203. The next prime is 122203303302247.

122203303302221 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 26713547305225 + 95489755996996 = 5168515^2 + 9771886^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122203303302221 - 234 = 122186123433037 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 (122203303602221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15695257256 + ... + 15695265041.

It is an arithmetic number, because the mean of its divisors is an integer number (16244595289215).

Almost surely, 2122203303302221 is an apocalyptic number.

It is an amenable number.

122203303302221 is a deficient number, since it is larger than the sum of its proper divisors (7753459011499).

122203303302221 is a wasteful number, since it uses less digits than its factorization.

122203303302221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31390522543.

The product of its (nonzero) digits is 5184, while the sum is 26.

It can be divided in two parts, 12220330 and 3302221, that added together give a palindrome (15522551).

The spelling of 122203303302221 in words is "one hundred twenty-two trillion, two hundred three billion, three hundred three million, three hundred two thousand, two hundred twenty-one".

Divisors: 1 17 229 3893 31390522297 533638879049 7188429606013 122203303302221