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5787221749 is a prime number
BaseRepresentation
bin1010110001111000…
…11111111011110101
3112221022200022210021
411120330133323311
543323012043444
62354132125141
7263261400421
oct53074377365
915838608707
105787221749
1124aa8103a1
1211561667b1
13712c8948a
143cc861b81
1523d107584
hex158f1fef5

5787221749 has 2 divisors, whose sum is σ = 5787221750. Its totient is φ = 5787221748.

The previous prime is 5787221731. The next prime is 5787221773. The reversal of 5787221749 is 9471227875.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5579343025 + 207878724 = 74695^2 + 14418^2 .

It is a cyclic number.

It is not a de Polignac number, because 5787221749 - 217 = 5787090677 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5787221696 and 5787221705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5787221149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2893610874 + 2893610875.

It is an arithmetic number, because the mean of its divisors is an integer number (2893610875).

Almost surely, 25787221749 is an apocalyptic number.

It is an amenable number.

5787221749 is a deficient number, since it is larger than the sum of its proper divisors (1).

5787221749 is an equidigital number, since it uses as much as digits as its factorization.

5787221749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1975680, while the sum is 52.

The square root of 5787221749 is about 76073.7914724907. The cubic root of 5787221749 is about 1795.3813430833.

The spelling of 5787221749 in words is "five billion, seven hundred eighty-seven million, two hundred twenty-one thousand, seven hundred forty-nine".