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6428608608 = 25366964673
BaseRepresentation
bin1011111110010110…
…01100100001100000
3121121000120011011010
411333023030201200
5101131210433413
62541523220520
7315210162102
oct57713144140
917530504133
106428608608
1127a9866884
1212b4b17740
137b5b15c26
1444dadd572
1527959cdc3
hex17f2cc860

6428608608 has 24 divisors (see below), whose sum is σ = 16875097848. Its totient is φ = 2142869504.

The previous prime is 6428608577. The next prime is 6428608651. The reversal of 6428608608 is 8068068246.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

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 3 ways as a sum of consecutive naturals, for example, 33482241 + ... + 33482432.

It is an arithmetic number, because the mean of its divisors is an integer number (703129077).

Almost surely, 26428608608 is an apocalyptic number.

It is an amenable number.

6428608608 is an abundant number, since it is smaller than the sum of its proper divisors (10446489240).

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

6428608608 is a wasteful number, since it uses less digits than its factorization.

6428608608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66964686 (or 66964678 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 48.

The square root of 6428608608 is about 80178.6044278647. The cubic root of 6428608608 is about 1859.3978672980.

The spelling of 6428608608 in words is "six billion, four hundred twenty-eight million, six hundred eight thousand, six hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 66964673 133929346 200894019 267858692 401788038 535717384 803576076 1071434768 1607152152 2142869536 3214304304 6428608608