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1300003091 is a prime number
BaseRepresentation
bin100110101111100…
…0111100100010011
310100121011222222122
41031133013210103
510130300044331
6332555324455
744133562322
oct11537074423
93317158878
101300003091
116078aa622
1230345072b
131794394ca
14c49220b9
15791e117b
hex4d7c7913

1300003091 has 2 divisors, whose sum is σ = 1300003092. Its totient is φ = 1300003090.

The previous prime is 1300003069. The next prime is 1300003139. The reversal of 1300003091 is 1903000031.

It is a weak prime.

It is an emirp because it is prime and its reverse (1903000031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1300003091 - 226 = 1232894227 is a prime.

It is not a weakly prime, because it can be changed into another prime (1300002091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650001545 + 650001546.

It is an arithmetic number, because the mean of its divisors is an integer number (650001546).

Almost surely, 21300003091 is an apocalyptic number.

1300003091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300003091 is an equidigital number, since it uses as much as digits as its factorization.

1300003091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 1300003091 is about 36055.5556190721. Note that the first 3 decimals coincide. The cubic root of 1300003091 is about 1091.3937480592.

The spelling of 1300003091 in words is "one billion, three hundred million, three thousand, ninety-one".