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13209820086 = 232201636681
BaseRepresentation
bin11000100110101110…
…11101101110110110
31021002121121101111210
430103113131232312
5204023203220321
610022444142250
7645231422001
oct142327355666
937077541453
1013209820086
115669665391
122687b37986
1313269b69b8
148d4586538
15524a9ab76
hex3135ddbb6

13209820086 has 8 divisors (see below), whose sum is σ = 26419640184. Its totient is φ = 4403273360.

The previous prime is 13209820067. The next prime is 13209820087. The reversal of 13209820086 is 68002890231.

It is a happy number.

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

13209820086 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13209820087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1100818335 + ... + 1100818346.

It is an arithmetic number, because the mean of its divisors is an integer number (3302455023).

Almost surely, 213209820086 is an apocalyptic number.

13209820086 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13209820086 is a wasteful number, since it uses less digits than its factorization.

13209820086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2201636686.

The product of its (nonzero) digits is 41472, while the sum is 39.

The spelling of 13209820086 in words is "thirteen billion, two hundred nine million, eight hundred twenty thousand, eighty-six".

Divisors: 1 2 3 6 2201636681 4403273362 6604910043 13209820086