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13030013003 = 77272560427
BaseRepresentation
bin11000010001010011…
…00011100001001011
31020122002021020120012
430020221203201023
5203141140404003
65552542222135
7640616166050
oct141051434113
936562236505
1013030013003
115587114697
12263788494b
1312c867c887
148b873d027
15513dce8d8
hex308a6384b

13030013003 has 8 divisors (see below), whose sum is σ = 14911932672. Its totient is φ = 11153215656.

The previous prime is 13030012987. The next prime is 13030013033. The reversal of 13030013003 is 30031003031.

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 13030013003 - 24 = 13030012987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13030013033) 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, 1275125 + ... + 1285302.

It is an arithmetic number, because the mean of its divisors is an integer number (1863991584).

Almost surely, 213030013003 is an apocalyptic number.

13030013003 is a deficient number, since it is larger than the sum of its proper divisors (1881919669).

13030013003 is an equidigital number, since it uses as much as digits as its factorization.

13030013003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2561161.

The product of its (nonzero) digits is 81, while the sum is 14.

Adding to 13030013003 its reverse (30031003031), we get a palindrome (43061016034).

The spelling of 13030013003 in words is "thirteen billion, thirty million, thirteen thousand, three".

Divisors: 1 7 727 5089 2560427 17922989 1861430429 13030013003