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1380822529 is a prime number
BaseRepresentation
bin101001001001101…
…1010111000000001
310120020021001102011
41102103122320001
510311442310104
6345003452521
746134540442
oct12223327001
93506231364
101380822529
11649490449
12326527141
131900c5868
14d155d2c9
1581357904
hex524dae01

1380822529 has 2 divisors, whose sum is σ = 1380822530. Its totient is φ = 1380822528.

The previous prime is 1380822517. The next prime is 1380822533. The reversal of 1380822529 is 9252280831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1300684225 + 80138304 = 36065^2 + 8952^2 .

It is a cyclic number.

It is not a de Polignac number, because 1380822529 - 211 = 1380820481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1380822491 and 1380822500.

It is not a weakly prime, because it can be changed into another prime (1380822539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690411264 + 690411265.

It is an arithmetic number, because the mean of its divisors is an integer number (690411265).

Almost surely, 21380822529 is an apocalyptic number.

It is an amenable number.

1380822529 is a deficient number, since it is larger than the sum of its proper divisors (1).

1380822529 is an equidigital number, since it uses as much as digits as its factorization.

1380822529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 1380822529 is about 37159.4204610352. The cubic root of 1380822529 is about 1113.5574335737.

The spelling of 1380822529 in words is "one billion, three hundred eighty million, eight hundred twenty-two thousand, five hundred twenty-nine".