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13021330103 = 46747278549
BaseRepresentation
bin11000010000010000…
…11011101010110111
31020121110221002212022
430020020123222313
5203131430030403
65552032143355
7640452323345
oct141010335267
936543832768
1013021330103
115582224041
122634997b5b
1312c692c672
148b751c995
15513266d38
hex30821bab7

13021330103 has 4 divisors (see below), whose sum is σ = 13021655400. Its totient is φ = 13021004808.

The previous prime is 13021330087. The next prime is 13021330111. The reversal of 13021330103 is 30103312031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13021330103 - 24 = 13021330087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021330603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92528 + ... + 186021.

It is an arithmetic number, because the mean of its divisors is an integer number (3255413850).

Almost surely, 213021330103 is an apocalyptic number.

13021330103 is a deficient number, since it is larger than the sum of its proper divisors (325297).

13021330103 is an equidigital number, since it uses as much as digits as its factorization.

13021330103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325296.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 13021330103 its reverse (30103312031), we get a palindrome (43124642134).

The spelling of 13021330103 in words is "thirteen billion, twenty-one million, three hundred thirty thousand, one hundred three".

Divisors: 1 46747 278549 13021330103