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1020304103 = 71397115589
BaseRepresentation
bin111100110100001…
…001101011100111
32122002212211002212
4330310021223213
54042144212403
6245124354035
734166304350
oct7464115347
92562784085
101020304103
11483a31635
1224584591b
131334c8b50
1499714d27
155e8924d8
hex3cd09ae7

1020304103 has 16 divisors (see below), whose sum is σ = 1268715840. Its totient is φ = 798944256.

The previous prime is 1020304091. The next prime is 1020304163. The reversal of 1020304103 is 3014030201.

It is a cyclic number.

It is not a de Polignac number, because 1020304103 - 28 = 1020303847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020304163) 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 in 15 ways as a sum of consecutive naturals, for example, 48968 + ... + 66621.

It is an arithmetic number, because the mean of its divisors is an integer number (79294740).

Almost surely, 21020304103 is an apocalyptic number.

1020304103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1020304103 is a deficient number, since it is larger than the sum of its proper divisors (248411737).

1020304103 is a wasteful number, since it uses less digits than its factorization.

1020304103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115706.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1020304103 is about 31942.1994076801. The cubic root of 1020304103 is about 1006.7227378506.

Adding to 1020304103 its reverse (3014030201), we get a palindrome (4034334304).

The spelling of 1020304103 in words is "one billion, twenty million, three hundred four thousand, one hundred three".

Divisors: 1 7 13 91 97 679 1261 8827 115589 809123 1502657 10518599 11212133 78484931 145757729 1020304103