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4664648464672 = 257139149815277
BaseRepresentation
bin100001111100001001010…
…1101101111100100100000
3121111221021101001000220211
41003320102231233210200
51102411200001332142
613530524313143504
7661003223513020
oct103702255574440
917457241030824
104664648464672
1115392a24a6569
126340593bab94
1327ab4a26ba21
14121aad58ba80
15815116e3917
hex43e12b6f920

4664648464672 has 48 divisors (see below), whose sum is σ = 10570966015680. Its totient is φ = 1984752776448.

The previous prime is 4664648464573. The next prime is 4664648464673. The reversal of 4664648464672 is 2764648464664.

It is a junction number, because it is equal to n+sod(n) for n = 4664648464598 and 4664648464607.

It is not an unprimeable number, because it can be changed into a prime (4664648464673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74876503 + ... + 74938774.

It is an arithmetic number, because the mean of its divisors is an integer number (220228458660).

Almost surely, 24664648464672 is an apocalyptic number.

It is an amenable number.

4664648464672 is an abundant number, since it is smaller than the sum of its proper divisors (5906317551008).

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

4664648464672 is a wasteful number, since it uses less digits than its factorization.

4664648464672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149815433 (or 149815425 counting only the distinct ones).

The product of its digits is 891813888, while the sum is 67.

The spelling of 4664648464672 in words is "four trillion, six hundred sixty-four billion, six hundred forty-eight million, four hundred sixty-four thousand, six hundred seventy-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 139 224 278 556 973 1112 1946 2224 3892 4448 7784 15568 31136 149815277 299630554 599261108 1048706939 1198522216 2097413878 2397044432 4194827756 4794088864 8389655512 16779311024 20824323503 33558622048 41648647006 83297294012 145770264521 166594588024 291540529042 333189176048 583081058084 666378352096 1166162116168 2332324232336 4664648464672