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20103300013 = 76163263951
BaseRepresentation
bin10010101110010000…
…000000001110101101
31220220000220110020011
4102232100000032231
5312132421100023
613122455253221
71311115142056
oct225620001655
956800813204
1020103300013
118586874935
123a9067a211
131b84c054c4
14d89cd572d
157c9d7350d
hex4ae4003ad

20103300013 has 4 divisors (see below), whose sum is σ = 20103640128. Its totient is φ = 20102959900.

The previous prime is 20103299971. The next prime is 20103300017. The reversal of 20103300013 is 31000330102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20103300013 - 29 = 20103299501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20103299966 and 20103300002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20103300017) 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, 55813 + ... + 208138.

It is an arithmetic number, because the mean of its divisors is an integer number (5025910032).

Almost surely, 220103300013 is an apocalyptic number.

It is an amenable number.

20103300013 is a deficient number, since it is larger than the sum of its proper divisors (340115).

20103300013 is an equidigital number, since it uses as much as digits as its factorization.

20103300013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340114.

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 20103300013 its reverse (31000330102), we get a palindrome (51103630115).

The spelling of 20103300013 in words is "twenty billion, one hundred three million, three hundred thousand, thirteen".

Divisors: 1 76163 263951 20103300013