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780580613 is a prime number
BaseRepresentation
bin101110100001101…
…011011100000101
32000101210121022002
4232201223130011
53044312034423
6205242315045
725225553141
oct5641533405
92011717262
10780580613
1137068784a
121994b8a85
13c5943b27
1475952221
15487dd228
hex2e86b705

780580613 has 2 divisors, whose sum is σ = 780580614. Its totient is φ = 780580612.

The previous prime is 780580579. The next prime is 780580643. The reversal of 780580613 is 316085087.

780580613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 539772289 + 240808324 = 23233^2 + 15518^2 .

It is an emirp because it is prime and its reverse (316085087) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 780580613 - 214 = 780564229 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (780580643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 390290306 + 390290307.

It is an arithmetic number, because the mean of its divisors is an integer number (390290307).

Almost surely, 2780580613 is an apocalyptic number.

It is an amenable number.

780580613 is a deficient number, since it is larger than the sum of its proper divisors (1).

780580613 is an equidigital number, since it uses as much as digits as its factorization.

780580613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 780580613 is about 27938.8727940123. The cubic root of 780580613 is about 920.7447549329.

The spelling of 780580613 in words is "seven hundred eighty million, five hundred eighty thousand, six hundred thirteen".