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10666065455 = 5171116111243
BaseRepresentation
bin10011110111011111…
…10011111000101111
31000112100002021011022
421323233303320233
5133321003043310
64522214444355
7525213026513
oct117357637057
930470067138
1010666065455
114583796931
1220980636bb
13100c9a7a46
147327c6143
154265caa55
hex27bbf3e2f

10666065455 has 16 divisors (see below), whose sum is σ = 13554597024. Its totient is φ = 8029486080.

The previous prime is 10666065433. The next prime is 10666065491. The reversal of 10666065455 is 55456066601.

It is a happy number.

It is not a de Polignac number, because 10666065455 - 28 = 10666065199 is a prime.

It is a super-2 number, since 2×106660654552 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 943064 + ... + 954306.

It is an arithmetic number, because the mean of its divisors is an integer number (847162314).

Almost surely, 210666065455 is an apocalyptic number.

10666065455 is a deficient number, since it is larger than the sum of its proper divisors (2888531569).

10666065455 is a wasteful number, since it uses less digits than its factorization.

10666065455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22426.

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 10666065455 in words is "ten billion, six hundred sixty-six million, sixty-five thousand, four hundred fifty-five".

Divisors: 1 5 17 85 11161 11243 55805 56215 189737 191131 948685 955655 125483123 627415615 2133213091 10666065455