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13001023001 = 17627737563
BaseRepresentation
bin11000001101110101…
…11101111000011001
31020120001201101202102
430012322331320121
5203111230214001
65550025013145
7640114605101
oct140672757031
936501641672
1013001023001
11557181400a
12262a0241b5
1312c266c525
148b4954201
155115a4e6b
hex306ebde19

13001023001 has 4 divisors (see below), whose sum is σ = 13001778192. Its totient is φ = 13000267812.

The previous prime is 13001022989. The next prime is 13001023051. The reversal of 13001023001 is 10032010031.

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 a de Polignac number, because none of the positive numbers 2k-13001023001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13001023051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351155 + ... + 386408.

It is an arithmetic number, because the mean of its divisors is an integer number (3250444548).

Almost surely, 213001023001 is an apocalyptic number.

It is an amenable number.

13001023001 is a deficient number, since it is larger than the sum of its proper divisors (755191).

13001023001 is an equidigital number, since it uses as much as digits as its factorization.

13001023001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755190.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 13001023001 its reverse (10032010031), we get a palindrome (23033033032).

The spelling of 13001023001 in words is "thirteen billion, one million, twenty-three thousand, one".

Divisors: 1 17627 737563 13001023001