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13863486828 = 2231155290569
BaseRepresentation
bin11001110100101010…
…00000010101101100
31022210011121002201010
430322111000111230
5211343023034303
610211354345220
71000356456642
oct147225002554
938704532633
1013863486828
115974638934
12282aa2b210
1313cc252959
149572dd192
15562169c03
hex33a54056c

13863486828 has 12 divisors (see below), whose sum is σ = 32348135960. Its totient is φ = 4621162272.

The previous prime is 13863486823. The next prime is 13863486851. The reversal of 13863486828 is 82868436831.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (13863486823) 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, 577645273 + ... + 577645296.

Almost surely, 213863486828 is an apocalyptic number.

It is an amenable number.

13863486828 is an abundant number, since it is smaller than the sum of its proper divisors (18484649132).

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

13863486828 is a wasteful number, since it uses less digits than its factorization.

13863486828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155290576 (or 1155290574 counting only the distinct ones).

The product of its digits is 10616832, while the sum is 57.

The spelling of 13863486828 in words is "thirteen billion, eight hundred sixty-three million, four hundred eighty-six thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 12 1155290569 2310581138 3465871707 4621162276 6931743414 13863486828