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1830730903 is a prime number
BaseRepresentation
bin110110100011110…
…1011110010010111
311201120211202200021
41231013223302113
512222131342103
6501354530011
763236645611
oct15507536227
94646752607
101830730903
1185a444251
12431136907
1323238c931
141351d5db1
15aaac8bbd
hex6d1ebc97

1830730903 has 2 divisors, whose sum is σ = 1830730904. Its totient is φ = 1830730902.

The previous prime is 1830730897. The next prime is 1830730907. The reversal of 1830730903 is 3090370381.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1830730903 - 25 = 1830730871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1830730907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 915365451 + 915365452.

It is an arithmetic number, because the mean of its divisors is an integer number (915365452).

Almost surely, 21830730903 is an apocalyptic number.

1830730903 is a deficient number, since it is larger than the sum of its proper divisors (1).

1830730903 is an equidigital number, since it uses as much as digits as its factorization.

1830730903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 1830730903 is about 42787.0412975705. The cubic root of 1830730903 is about 1223.3240227686.

The spelling of 1830730903 in words is "one billion, eight hundred thirty million, seven hundred thirty thousand, nine hundred three".