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13008645385 = 55944097103
BaseRepresentation
bin11000001110110000…
…00010110100001001
31020120121001122200221
430013120002310021
5203120203123020
65550500230041
7640236442561
oct140730026411
936517048627
1013008645385
11557604a8aa
12263069b321
1312c410ab08
148b5979da1
155120ad6aa
hex307602d09

13008645385 has 8 divisors (see below), whose sum is σ = 15874957440. Its totient is φ = 10230527664.

The previous prime is 13008645373. The next prime is 13008645437. The reversal of 13008645385 is 58354680031.

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 13008645385 - 27 = 13008645257 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22048257 + ... + 22048846.

It is an arithmetic number, because the mean of its divisors is an integer number (1984369680).

Almost surely, 213008645385 is an apocalyptic number.

It is an amenable number.

13008645385 is a deficient number, since it is larger than the sum of its proper divisors (2866312055).

13008645385 is an equidigital number, since it uses as much as digits as its factorization.

13008645385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44097167.

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 13008645385 in words is "thirteen billion, eight million, six hundred forty-five thousand, three hundred eighty-five".

Divisors: 1 5 59 295 44097103 220485515 2601729077 13008645385