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10649064065 = 511318847901
BaseRepresentation
bin10011110101011101…
…11101001010000001
31000111011002111122012
421322232331022001
5133302130022230
64520410222305
7524615360003
oct117256751201
930434074565
1010649064065
1145751344a2
122092424995
131009304453
1473043c373
15424d6d395
hex27abbd281

10649064065 has 8 divisors (see below), whose sum is σ = 12891964968. Its totient is φ = 8443859200.

The previous prime is 10649064059. The next prime is 10649064067. The reversal of 10649064065 is 56046094601.

It can be written as a sum of positive squares in 4 ways, for example, as 627452401 + 10021611664 = 25049^2 + 100108^2 .

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

It is not a de Polignac number, because 10649064065 - 26 = 10649064001 is a prime.

It is a super-2 number, since 2×106490640652 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10649064067) 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, 9423386 + ... + 9424515.

It is an arithmetic number, because the mean of its divisors is an integer number (1611495621).

Almost surely, 210649064065 is an apocalyptic number.

It is an amenable number.

10649064065 is a deficient number, since it is larger than the sum of its proper divisors (2242900903).

10649064065 is a wasteful number, since it uses less digits than its factorization.

10649064065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18848019.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 10649064065 in words is "ten billion, six hundred forty-nine million, sixty-four thousand, sixty-five".

Divisors: 1 5 113 565 18847901 94239505 2129812813 10649064065