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64646055730153 = 1393831471213841
BaseRepresentation
bin11101011001011100101010…
…01100000001101111101001
322110220002202202220202222001
432230232111030001233221
531433130110231331103
6345253553224531001
716421344345150402
oct1654562514015751
9273802682822861
1064646055730153
111966426915aa77
127300a09320a61
132a0c134b66051
1411d6c588829a9
157718d3d5801d
hex3acb95301be9

64646055730153 has 8 divisors (see below), whose sum is σ = 65111358846240. Its totient is φ = 64180755808320.

The previous prime is 64646055730121. The next prime is 64646055730159. The reversal of 64646055730153 is 35103755064646.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64646055730153 - 25 = 64646055730121 is a prime.

It is a super-2 number, since 2×646460557301532 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64646055730094 and 64646055730103.

It is not an unprimeable number, because it can be changed into a prime (64646055730159) 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, 52650513 + ... + 53864353.

It is an arithmetic number, because the mean of its divisors is an integer number (8138919855780).

Almost surely, 264646055730153 is an apocalyptic number.

It is an amenable number.

64646055730153 is a deficient number, since it is larger than the sum of its proper divisors (465303116087).

64646055730153 is a wasteful number, since it uses less digits than its factorization.

64646055730153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597127.

The product of its (nonzero) digits is 27216000, while the sum is 55.

The spelling of 64646055730153 in words is "sixty-four trillion, six hundred forty-six billion, fifty-five million, seven hundred thirty thousand, one hundred fifty-three".

Divisors: 1 139 383147 1213841 53257433 168723899 465079537627 64646055730153