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13000030001 = 74739513769
BaseRepresentation
bin11000001101101110…
…01011011100110001
31020112222211221121122
430012313023130301
5203111001430001
65545551432025
7640103301050
oct140667133461
936488757548
1013000030001
1155711a5a52
122629825615
1312c23b255a
148b4776397
1551145ab1b
hex306dcb731

13000030001 has 8 divisors (see below), whose sum is σ = 15173287680. Its totient is φ = 10905799968.

The previous prime is 13000029967. The next prime is 13000030027. The reversal of 13000030001 is 10003000031.

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

It is a de Polignac number, because none of the positive numbers 2k-13000030001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13000030051) 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, 19756556 + ... + 19757213.

It is an arithmetic number, because the mean of its divisors is an integer number (1896660960).

Almost surely, 213000030001 is an apocalyptic number.

It is an amenable number.

13000030001 is a deficient number, since it is larger than the sum of its proper divisors (2173257679).

13000030001 is an equidigital number, since it uses as much as digits as its factorization.

13000030001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39513823.

The product of its (nonzero) digits is 9, while the sum is 8.

Adding to 13000030001 its reverse (10003000031), we get a palindrome (23003030032).

The spelling of 13000030001 in words is "thirteen billion, thirty thousand, one".

Divisors: 1 7 47 329 39513769 276596383 1857147143 13000030001