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13982286521 = 719871005269
BaseRepresentation
bin11010000010110100…
…01100001010111001
31100002110010202020202
431001122030022321
5212113431132041
610231240531545
71003331321510
oct150132141271
940073122222
1013982286521
115a256aa8a5
122862780bb5
13141aa49428
14968dc5677
1556c7d4a9b
hex34168c2b9

13982286521 has 8 divisors (see below), whose sum is σ = 15987814080. Its totient is φ = 11978773488.

The previous prime is 13982286517. The next prime is 13982286671. The reversal of 13982286521 is 12568228931.

It is a happy number.

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 13982286521 - 22 = 13982286517 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13982286511) 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, 488726 + ... + 516543.

It is an arithmetic number, because the mean of its divisors is an integer number (1998476760).

Almost surely, 213982286521 is an apocalyptic number.

It is an amenable number.

13982286521 is a deficient number, since it is larger than the sum of its proper divisors (2005527559).

13982286521 is a wasteful number, since it uses less digits than its factorization.

13982286521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007263.

The product of its digits is 414720, while the sum is 47.

The spelling of 13982286521 in words is "thirteen billion, nine hundred eighty-two million, two hundred eighty-six thousand, five hundred twenty-one".

Divisors: 1 7 1987 13909 1005269 7036883 1997469503 13982286521