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5787120649 is a prime number
BaseRepresentation
bin1010110001111000…
…00111010000001001
3112221022111012002211
411120330013100021
543323000330044
62354130025121
7263260466602
oct53074072011
915838435084
105787120649
1124aa751442
1211561181a1
13712c5245b
143cc836da9
1523d0d7634
hex158f07409

5787120649 has 2 divisors, whose sum is σ = 5787120650. Its totient is φ = 5787120648.

The previous prime is 5787120631. The next prime is 5787120653. The reversal of 5787120649 is 9460217875.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3555975424 + 2231145225 = 59632^2 + 47235^2 .

It is a cyclic number.

It is not a de Polignac number, because 5787120649 - 215 = 5787087881 is a prime.

It is not a weakly prime, because it can be changed into another prime (5787120629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2893560324 + 2893560325.

It is an arithmetic number, because the mean of its divisors is an integer number (2893560325).

Almost surely, 25787120649 is an apocalyptic number.

It is an amenable number.

5787120649 is a deficient number, since it is larger than the sum of its proper divisors (1).

5787120649 is an equidigital number, since it uses as much as digits as its factorization.

5787120649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 49.

The square root of 5787120649 is about 76073.1269831864. The cubic root of 5787120649 is about 1795.3708882042.

The spelling of 5787120649 in words is "five billion, seven hundred eighty-seven million, one hundred twenty thousand, six hundred forty-nine".