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42213103169 is a prime number
BaseRepresentation
bin100111010100000110…
…001101011001000001
311000221220101211022112
4213110012031121001
51142423023300134
631220433145105
73023036312426
oct472406153101
9130856354275
1042213103169
11169a2218226
1282210bb195
133c99721073
142086499d4d
151170e411ce
hex9d418d641

42213103169 has 2 divisors, whose sum is σ = 42213103170. Its totient is φ = 42213103168.

The previous prime is 42213103147. The next prime is 42213103193. The reversal of 42213103169 is 96130131224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41173685569 + 1039417600 = 202913^2 + 32240^2 .

It is a cyclic number.

It is not a de Polignac number, because 42213103169 - 224 = 42196325953 is a prime.

It is a super-2 number, since 2×422131031692 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42213103109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21106551584 + 21106551585.

It is an arithmetic number, because the mean of its divisors is an integer number (21106551585).

Almost surely, 242213103169 is an apocalyptic number.

It is an amenable number.

42213103169 is a deficient number, since it is larger than the sum of its proper divisors (1).

42213103169 is an equidigital number, since it uses as much as digits as its factorization.

42213103169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 42213103169 in words is "forty-two billion, two hundred thirteen million, one hundred three thousand, one hundred sixty-nine".