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13478683008 = 27372329479
BaseRepresentation
bin11001000110110010…
…00110000110000000
31021210100112001002210
430203121012012000
5210101020324013
610105250542120
7655004625630
oct144331060600
937710461083
1013478683008
11579740204a
122741b97940
13136a60209b
1491c1726c0
1553d4a8cc3
hex323646180

13478683008 has 192 divisors, whose sum is σ = 42778310400. Its totient is φ = 3683226624.

The previous prime is 13478682967. The next prime is 13478683021. The reversal of 13478683008 is 80038687431.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1417213 + ... + 1426691.

It is an arithmetic number, because the mean of its divisors is an integer number (222803700).

Almost surely, 213478683008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13478683008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21389155200).

13478683008 is an abundant number, since it is smaller than the sum of its proper divisors (29299627392).

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

13478683008 is an equidigital number, since it uses as much as digits as its factorization.

13478683008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9549 (or 9514 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 13478683008 in words is "thirteen billion, four hundred seventy-eight million, six hundred eighty-three thousand, eight".