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22103030197 is a prime number
BaseRepresentation
bin10100100101011100…
…010111100110110101
32010001101202021100001
4110211130113212311
5330231333431242
614053132351301
71411506441163
oct244534274665
963041667301
1022103030197
119412647806
12434a315531
1321132b6ac1
1410d9720233
158956d0eb7
hex5257179b5

22103030197 has 2 divisors, whose sum is σ = 22103030198. Its totient is φ = 22103030196.

The previous prime is 22103030189. The next prime is 22103030263. The reversal of 22103030197 is 79103030122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11520587556 + 10582442641 = 107334^2 + 102871^2 .

It is a cyclic number.

It is not a de Polignac number, because 22103030197 - 23 = 22103030189 is a prime.

It is a super-4 number, since 4×221030301974 (a number of 42 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22103030167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11051515098 + 11051515099.

It is an arithmetic number, because the mean of its divisors is an integer number (11051515099).

Almost surely, 222103030197 is an apocalyptic number.

It is an amenable number.

22103030197 is a deficient number, since it is larger than the sum of its proper divisors (1).

22103030197 is an equidigital number, since it uses as much as digits as its factorization.

22103030197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 28.

The spelling of 22103030197 in words is "twenty-two billion, one hundred three million, thirty thousand, one hundred ninety-seven".