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22202102012213 = 54577406803269
BaseRepresentation
bin1010000110001010101000…
…11001110101100100110101
32220121111111122220022210102
411003011110121311210311
510402224401103342323
6115115301014403445
74451022533211314
oct503052431654465
986544448808712
1022202102012213
11708a9498619a2
1225a6abb060585
13c508594aac86
1456a83204027b
152877daaeb328
hex143154675935

22202102012213 has 4 divisors (see below), whose sum is σ = 22202508870060. Its totient is φ = 22201695154368.

The previous prime is 22202102012191. The next prime is 22202102012281. The reversal of 22202102012213 is 31221020120222.

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 18545830281169 + 3656271731044 = 4306487^2 + 1912138^2 .

It is a cyclic number.

It is not a de Polignac number, because 22202102012213 - 228 = 22201833576757 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 (22202102011213) 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, 203347058 + ... + 203456211.

It is an arithmetic number, because the mean of its divisors is an integer number (5550627217515).

Almost surely, 222202102012213 is an apocalyptic number.

It is an amenable number.

22202102012213 is a deficient number, since it is larger than the sum of its proper divisors (406857847).

22202102012213 is an equidigital number, since it uses as much as digits as its factorization.

22202102012213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406857846.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 22202102012213 its reverse (31221020120222), we get a palindrome (53423122132435).

The spelling of 22202102012213 in words is "twenty-two trillion, two hundred two billion, one hundred two million, twelve thousand, two hundred thirteen".

Divisors: 1 54577 406803269 22202102012213