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13848665644 = 22111373229237
BaseRepresentation
bin11001110010111000…
…11101111000101100
31022202010201002212101
430321130131320230
5211330224300034
610210104544444
71000116500332
oct147134357054
938663632771
1013848665644
115967235520
122825a82124
1313c9163818
14955361b52
15560bdd514
hex33971de2c

13848665644 has 24 divisors (see below), whose sum is σ = 26457733008. Its totient is φ = 6290235840.

The previous prime is 13848665629. The next prime is 13848665669. The reversal of 13848665644 is 44656684831.

It is a happy 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, 54207 + ... + 175030.

It is an arithmetic number, because the mean of its divisors is an integer number (1102405542).

Almost surely, 213848665644 is an apocalyptic number.

It is an amenable number.

13848665644 is a deficient number, since it is larger than the sum of its proper divisors (12609067364).

13848665644 is a wasteful number, since it uses less digits than its factorization.

13848665644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230625 (or 230623 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 55.

The spelling of 13848665644 in words is "thirteen billion, eight hundred forty-eight million, six hundred sixty-five thousand, six hundred forty-four".

Divisors: 1 2 4 11 22 44 1373 2746 5492 15103 30206 60412 229237 458474 916948 2521607 5043214 10086428 314742401 629484802 1258969604 3462166411 6924332822 13848665644