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2420204993 is a prime number
BaseRepresentation
bin1001000001000001…
…0110010111000001
320020200001011002222
42100100112113001
514424033024433
61040053220425
7113655255143
oct22020262701
96220034088
102420204993
111032162918
12576631715
132c754147b
1418d5dcc93
15e2717b98
hex904165c1

2420204993 has 2 divisors, whose sum is σ = 2420204994. Its totient is φ = 2420204992.

The previous prime is 2420204977. The next prime is 2420205013. The reversal of 2420204993 is 3994020242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2187245824 + 232959169 = 46768^2 + 15263^2 .

It is a cyclic number.

It is not a de Polignac number, because 2420204993 - 24 = 2420204977 is a prime.

It is not a weakly prime, because it can be changed into another prime (2420224993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210102496 + 1210102497.

It is an arithmetic number, because the mean of its divisors is an integer number (1210102497).

Almost surely, 22420204993 is an apocalyptic number.

It is an amenable number.

2420204993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420204993 is an equidigital number, since it uses as much as digits as its factorization.

2420204993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 2420204993 is about 49195.5789985238. The cubic root of 2420204993 is about 1342.6125967193.

The spelling of 2420204993 in words is "two billion, four hundred twenty million, two hundred four thousand, nine hundred ninety-three".