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2100046693 is a prime number
BaseRepresentation
bin111110100101100…
…0010101101100101
312102100121102111011
41331023002231211
513300102443233
6544215142221
7103020050053
oct17513025545
95370542434
102100046693
11988470188
124a7374971
132761061a4
1415cc9d1d3
15c45760cd
hex7d2c2b65

2100046693 has 2 divisors, whose sum is σ = 2100046694. Its totient is φ = 2100046692.

The previous prime is 2100046667. The next prime is 2100046723. The reversal of 2100046693 is 3966400012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1385179524 + 714867169 = 37218^2 + 26737^2 .

It is a cyclic number.

It is not a de Polignac number, because 2100046693 - 225 = 2066492261 is a prime.

It is a super-2 number, since 2×21000466932 = 8820392225560472498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100046603) 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, 1050023346 + 1050023347.

It is an arithmetic number, because the mean of its divisors is an integer number (1050023347).

Almost surely, 22100046693 is an apocalyptic number.

It is an amenable number.

2100046693 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100046693 is an equidigital number, since it uses as much as digits as its factorization.

2100046693 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 31.

The square root of 2100046693 is about 45826.2664091239. The cubic root of 2100046693 is about 1280.5886560414.

The spelling of 2100046693 in words is "two billion, one hundred million, forty-six thousand, six hundred ninety-three".