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223101142997 is a prime number
BaseRepresentation
bin1100111111000111011…
…1010100011111010101
3210022212022011100012012
43033301313110133111
512123402343033442
6250254035434005
722055440266065
oct3176167243725
9708768140165
10223101142997
1186686862917
12372a4155905
1318066332165
14ab261bb3a5
155c0b5b2582
hex33f1dd47d5

223101142997 has 2 divisors, whose sum is σ = 223101142998. Its totient is φ = 223101142996.

The previous prime is 223101142987. The next prime is 223101143063. The reversal of 223101142997 is 799241101322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119462861956 + 103638281041 = 345634^2 + 321929^2 .

It is a cyclic number.

It is not a de Polignac number, because 223101142997 - 24 = 223101142981 is a prime.

It is a super-3 number, since 3×2231011429973 (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223101142987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111550571498 + 111550571499.

It is an arithmetic number, because the mean of its divisors is an integer number (111550571499).

Almost surely, 2223101142997 is an apocalyptic number.

It is an amenable number.

223101142997 is a deficient number, since it is larger than the sum of its proper divisors (1).

223101142997 is an equidigital number, since it uses as much as digits as its factorization.

223101142997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 41.

The spelling of 223101142997 in words is "two hundred twenty-three billion, one hundred one million, one hundred forty-two thousand, nine hundred ninety-seven".