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1303130109 = 329591271999
BaseRepresentation
bin100110110101100…
…0010111111111101
310100211001212110010
41031223002333331
510132100130414
6333150333433
744202265101
oct11553027775
93324055403
101303130109
11609645a36
123044ba279
13179c92908
14c50d7901
157960c959
hex4dac2ffd

1303130109 has 32 divisors (see below), whose sum is σ = 1843200000. Its totient is φ = 817677504.

The previous prime is 1303130077. The next prime is 1303130117. The reversal of 1303130109 is 9010313031.

It is not a de Polignac number, because 1303130109 - 25 = 1303130077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303130149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 650892 + ... + 652890.

It is an arithmetic number, because the mean of its divisors is an integer number (57600000).

Almost surely, 21303130109 is an apocalyptic number.

It is an amenable number.

1303130109 is a deficient number, since it is larger than the sum of its proper divisors (540069891).

1303130109 is a wasteful number, since it uses less digits than its factorization.

1303130109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2217.

The product of its (nonzero) digits is 243, while the sum is 21.

The square root of 1303130109 is about 36098.8934594954. The cubic root of 1303130109 is about 1092.2681242277.

The spelling of 1303130109 in words is "one billion, three hundred three million, one hundred thirty thousand, one hundred nine".

Divisors: 1 3 29 59 87 127 177 381 1711 1999 3683 5133 5997 7493 11049 22479 57971 117941 173913 217297 253873 353823 651891 761619 3420289 7362317 10260867 14978507 22086951 44935521 434376703 1303130109