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210010200991 is a prime number
BaseRepresentation
bin1100001110010110010…
…1010101101110011111
3202002001222020120202021
43003211211111232133
511420100102412431
6240251035241011
721113151153313
oct3034545255637
9662058216667
10210010200991
1181079313388
123484bba9167
1316a5b16b826
14a24373bb43
1556e2199b11
hex30e5955b9f

210010200991 has 2 divisors, whose sum is σ = 210010200992. Its totient is φ = 210010200990.

The previous prime is 210010200979. The next prime is 210010201033. The reversal of 210010200991 is 199002010012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210010200991 - 225 = 209976646559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210010204991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105005100495 + 105005100496.

It is an arithmetic number, because the mean of its divisors is an integer number (105005100496).

Almost surely, 2210010200991 is an apocalyptic number.

210010200991 is a deficient number, since it is larger than the sum of its proper divisors (1).

210010200991 is an equidigital number, since it uses as much as digits as its factorization.

210010200991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 25.

The spelling of 210010200991 in words is "two hundred ten billion, ten million, two hundred thousand, nine hundred ninety-one".