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20131303003 = 76742923887
BaseRepresentation
bin10010101111111010…
…110100111001011011
31220221222121011002221
4102233322310321123
5312212103144003
613125335404511
71311605152330
oct225772647133
956858534087
1020131303003
1185a06609a9
123a99b23737
131b8a95b516
14d8d904987
157cc5557bd
hex4afeb4e5b

20131303003 has 8 divisors (see below), whose sum is σ = 23350595072. Its totient is φ = 16997858856.

The previous prime is 20131302979. The next prime is 20131303007. The reversal of 20131303003 is 30030313102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20131303003 - 233 = 11541368411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20131303007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21461475 + ... + 21462412.

It is an arithmetic number, because the mean of its divisors is an integer number (2918824384).

Almost surely, 220131303003 is an apocalyptic number.

20131303003 is a deficient number, since it is larger than the sum of its proper divisors (3219292069).

20131303003 is an equidigital number, since it uses as much as digits as its factorization.

20131303003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42923961.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 20131303003 its reverse (30030313102), we get a palindrome (50161616105).

The spelling of 20131303003 in words is "twenty billion, one hundred thirty-one million, three hundred three thousand, three".

Divisors: 1 7 67 469 42923887 300467209 2875900429 20131303003