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2105996293 is a prime number
BaseRepresentation
bin111110110000110…
…1111010000000101
312102202210200210201
41331201233100011
513303113340133
6544550450501
7103121446612
oct17541572005
95382720721
102105996293
11990864205
124a9363a31
1327740a26b
1415d9ab509
15c4d4dd7d
hex7d86f405

2105996293 has 2 divisors, whose sum is σ = 2105996294. Its totient is φ = 2105996292.

The previous prime is 2105996281. The next prime is 2105996317. The reversal of 2105996293 is 3926995012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1966212964 + 139783329 = 44342^2 + 11823^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2105996293 is a prime.

It is a super-2 number, since 2×21059962932 = 8870440772259483698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2105996203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052998146 + 1052998147.

It is an arithmetic number, because the mean of its divisors is an integer number (1052998147).

Almost surely, 22105996293 is an apocalyptic number.

It is an amenable number.

2105996293 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105996293 is an equidigital number, since it uses as much as digits as its factorization.

2105996293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 262440, while the sum is 46.

The square root of 2105996293 is about 45891.1352332888. The cubic root of 2105996293 is about 1281.7968524317.

The spelling of 2105996293 in words is "two billion, one hundred five million, nine hundred ninety-six thousand, two hundred ninety-three".