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13001002001 = 131516623027
BaseRepresentation
bin11000001101110101…
…11000110000010001
31020120001200022221122
430012322320300101
5203111224031001
65550024332025
7640114456631
oct140672706021
936501608848
1013001002001
1155717aa259
12262a014015
1312c2662ac0
148b494a6c1
1551159db1b
hex306eb8c11

13001002001 has 8 divisors (see below), whose sum is σ = 14093803584. Its totient is φ = 11921446800.

The previous prime is 13001001983. The next prime is 13001002009. The reversal of 13001002001 is 10020010031.

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 13001002001 - 214 = 13000985617 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13001002001.

It is not an unprimeable number, because it can be changed into a prime (13001002009) 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, 3309551 + ... + 3313476.

It is an arithmetic number, because the mean of its divisors is an integer number (1761725448).

Almost surely, 213001002001 is an apocalyptic number.

It is an amenable number.

13001002001 is a deficient number, since it is larger than the sum of its proper divisors (1092801583).

13001002001 is a wasteful number, since it uses less digits than its factorization.

13001002001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6623191.

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 13001002001 its reverse (10020010031), we get a palindrome (23021012032).

The spelling of 13001002001 in words is "thirteen billion, one million, two thousand, one".

Divisors: 1 13 151 1963 6623027 86099351 1000077077 13001002001