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212100313297 is a prime number
BaseRepresentation
bin1100010110001000101…
…0011111000011010001
3202021110122011021211011
43011202022133003101
511433340140011142
6241234301450521
721216020626225
oct3054212370321
9667418137734
10212100313297
1181a51108724
1235133b70a41
13170021a6c82
14a3a1172785
1557b590c417
hex316229f0d1

212100313297 has 2 divisors, whose sum is σ = 212100313298. Its totient is φ = 212100313296.

The previous prime is 212100313267. The next prime is 212100313301. The reversal of 212100313297 is 792313001212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141112171201 + 70988142096 = 375649^2 + 266436^2 .

It is a cyclic number.

It is not a de Polignac number, because 212100313297 - 223 = 212091924689 is a prime.

It is not a weakly prime, because it can be changed into another prime (212100313237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106050156648 + 106050156649.

It is an arithmetic number, because the mean of its divisors is an integer number (106050156649).

Almost surely, 2212100313297 is an apocalyptic number.

It is an amenable number.

212100313297 is a deficient number, since it is larger than the sum of its proper divisors (1).

212100313297 is an equidigital number, since it uses as much as digits as its factorization.

212100313297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The spelling of 212100313297 in words is "two hundred twelve billion, one hundred million, three hundred thirteen thousand, two hundred ninety-seven".