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2912045749 is a prime number
BaseRepresentation
bin1010110110010010…
…0100101010110101
321111221112020210021
42231210210222311
521430440430444
61200543125141
7132106660204
oct25544445265
97457466707
102912045749
111264857088
126932a37b1
133753ca7c2
141d8a6d23b
151209bd584
hexad924ab5

2912045749 has 2 divisors, whose sum is σ = 2912045750. Its totient is φ = 2912045748.

The previous prime is 2912045707. The next prime is 2912045797. The reversal of 2912045749 is 9475402192.

2912045749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2386811025 + 525234724 = 48855^2 + 22918^2 .

It is a cyclic number.

It is not a de Polignac number, because 2912045749 - 221 = 2909948597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2912045449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1456022874 + 1456022875.

It is an arithmetic number, because the mean of its divisors is an integer number (1456022875).

Almost surely, 22912045749 is an apocalyptic number.

It is an amenable number.

2912045749 is a deficient number, since it is larger than the sum of its proper divisors (1).

2912045749 is an equidigital number, since it uses as much as digits as its factorization.

2912045749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 2912045749 is about 53963.3741439506. The cubic root of 2912045749 is about 1428.0148745858.

The spelling of 2912045749 in words is "two billion, nine hundred twelve million, forty-five thousand, seven hundred forty-nine".