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90101243348131 is a prime number
BaseRepresentation
bin10100011111001001010100…
…100110101000010010100011
3102211000121001120022020200211
4110133021110212220102203
543302204321244120011
6515343534553554551
724656412542653051
oct2437112446502243
9384017046266624
1090101243348131
11267887a4a320a4
12a132284115a57
133b3768428b112
141836ccdd191d1
15a63b17d15b21
hex51f2549a84a3

90101243348131 has 2 divisors, whose sum is σ = 90101243348132. Its totient is φ = 90101243348130.

The previous prime is 90101243348111. The next prime is 90101243348167. The reversal of 90101243348131 is 13184334210109.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90101243348131 - 219 = 90101242823843 is a prime.

It is a super-2 number, since 2×901012433481312 (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (90101243348101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45050621674065 + 45050621674066.

It is an arithmetic number, because the mean of its divisors is an integer number (45050621674066).

Almost surely, 290101243348131 is an apocalyptic number.

90101243348131 is a deficient number, since it is larger than the sum of its proper divisors (1).

90101243348131 is an equidigital number, since it uses as much as digits as its factorization.

90101243348131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 90101243348131 in words is "ninety trillion, one hundred one billion, two hundred forty-three million, three hundred forty-eight thousand, one hundred thirty-one".