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64728088110107 = 96766937009421
BaseRepresentation
bin11101011011110101011101…
…01100101110010000011011
322111011221111202022110010122
432231322232230232100123
531441001111024010412
6345355401223303455
716430310235654112
oct1655725654562033
9274157452273118
1064728088110107
111969603430a204
1273148a18aab8b
132a16aa9071546
1411dabdb504c79
15773ad5983572
hex3adeaeb2e41b

64728088110107 has 4 divisors (see below), whose sum is σ = 64795025120496. Its totient is φ = 64661151099720.

The previous prime is 64728088110061. The next prime is 64728088110109. The reversal of 64728088110107 is 70101188082746.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64728088110107 - 28 = 64728088109851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64728088110109) 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, 33468503744 + ... + 33468505677.

It is an arithmetic number, because the mean of its divisors is an integer number (16198756280124).

Almost surely, 264728088110107 is an apocalyptic number.

64728088110107 is a deficient number, since it is larger than the sum of its proper divisors (66937010389).

64728088110107 is an equidigital number, since it uses as much as digits as its factorization.

64728088110107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66937010388.

The product of its (nonzero) digits is 1204224, while the sum is 53.

The spelling of 64728088110107 in words is "sixty-four trillion, seven hundred twenty-eight billion, eighty-eight million, one hundred ten thousand, one hundred seven".

Divisors: 1 967 66937009421 64728088110107