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13226989405 = 57377913983
BaseRepresentation
bin11000101000110001…
…11101011101011101
31021010210220200101111
430110120331131131
5204042102130110
610024300142021
7645530361220
oct142430753535
937123820344
1013226989405
115678321a03
122691837911
13132a418866
148d69755b7
1552633ce8a
hex31463d75d

13226989405 has 8 divisors (see below), whose sum is σ = 18139871232. Its totient is φ = 9069935568.

The previous prime is 13226989393. The next prime is 13226989427. The reversal of 13226989405 is 50498962231.

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 13226989405 - 29 = 13226988893 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 188956957 + ... + 188957026.

It is an arithmetic number, because the mean of its divisors is an integer number (2267483904).

Almost surely, 213226989405 is an apocalyptic number.

It is an amenable number.

13226989405 is a deficient number, since it is larger than the sum of its proper divisors (4912881827).

13226989405 is an equidigital number, since it uses as much as digits as its factorization.

13226989405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377913995.

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 13226989405 in words is "thirteen billion, two hundred twenty-six million, nine hundred eighty-nine thousand, four hundred five".

Divisors: 1 5 7 35 377913983 1889569915 2645397881 13226989405