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2750016649 is a prime number
BaseRepresentation
bin1010001111101001…
…1110110010001001
321002122122022122111
42203322132302021
521113001013044
61132514222321
7125101520152
oct24372366211
97078568574
102750016649
111191349236
12648b849a1
1334a9795b3
141c1332929
15111664b34
hexa3e9ec89

2750016649 has 2 divisors, whose sum is σ = 2750016650. Its totient is φ = 2750016648.

The previous prime is 2750016617. The next prime is 2750016667. The reversal of 2750016649 is 9466100572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2746284025 + 3732624 = 52405^2 + 1932^2 .

It is a cyclic number.

It is not a de Polignac number, because 2750016649 - 25 = 2750016617 is a prime.

It is not a weakly prime, because it can be changed into another prime (2750016949) 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, 1375008324 + 1375008325.

It is an arithmetic number, because the mean of its divisors is an integer number (1375008325).

Almost surely, 22750016649 is an apocalyptic number.

It is an amenable number.

2750016649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2750016649 is an equidigital number, since it uses as much as digits as its factorization.

2750016649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 2750016649 is about 52440.6011502538. The cubic root of 2750016649 is about 1401.0224926646.

The spelling of 2750016649 in words is "two billion, seven hundred fifty million, sixteen thousand, six hundred forty-nine".