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13001326247 = 713142871717
BaseRepresentation
bin11000001101111000…
…00111111010100111
31020120002021210201202
430012330013322213
5203111314414442
65550035313115
7640120310150
oct140674077247
936502253652
1013001326247
115571a00928
12262a14b79b
1312c2747570
148b49d2927
15511614c32
hex306f07ea7

13001326247 has 8 divisors (see below), whose sum is σ = 16001632416. Its totient is φ = 10286763552.

The previous prime is 13001326243. The next prime is 13001326267. The reversal of 13001326247 is 74262310031.

It is a happy number.

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

It is not a de Polignac number, because 13001326247 - 22 = 13001326243 is a prime.

It is a super-2 number, since 2×130013262472 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13001326243) 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 7 ways as a sum of consecutive naturals, for example, 71435768 + ... + 71435949.

It is an arithmetic number, because the mean of its divisors is an integer number (2000204052).

Almost surely, 213001326247 is an apocalyptic number.

13001326247 is a deficient number, since it is larger than the sum of its proper divisors (3000306169).

13001326247 is a wasteful number, since it uses less digits than its factorization.

13001326247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142871737.

The product of its (nonzero) digits is 6048, while the sum is 29.

Adding to 13001326247 its reverse (74262310031), we get a palindrome (87263636278).

The spelling of 13001326247 in words is "thirteen billion, one million, three hundred twenty-six thousand, two hundred forty-seven".

Divisors: 1 7 13 91 142871717 1000102019 1857332321 13001326247