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10641118057 = 17625948121
BaseRepresentation
bin10011110100100001…
…01001001101101001
31000110121010210202121
421322100221031221
5133243111234212
64515524031241
7524461003543
oct117220511551
930417123677
1010641118057
1145706a7549
12208b832521
13100778177b
1472d370693
154242edd07
hex27a429369

10641118057 has 4 divisors (see below), whose sum is σ = 11267066196. Its totient is φ = 10015169920.

The previous prime is 10641118027. The next prime is 10641118121. The reversal of 10641118057 is 75081114601.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8385248041 + 2255870016 = 91571^2 + 47496^2 .

It is a cyclic number.

It is not a de Polignac number, because 10641118057 - 215 = 10641085289 is a prime.

It is a super-2 number, since 2×106411180572 (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 (10641118027) 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, 312974044 + ... + 312974077.

It is an arithmetic number, because the mean of its divisors is an integer number (2816766549).

Almost surely, 210641118057 is an apocalyptic number.

10641118057 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

10641118057 is a deficient number, since it is larger than the sum of its proper divisors (625948139).

10641118057 is an equidigital number, since it uses as much as digits as its factorization.

10641118057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625948138.

The product of its (nonzero) digits is 6720, while the sum is 34.

The spelling of 10641118057 in words is "ten billion, six hundred forty-one million, one hundred eighteen thousand, fifty-seven".

Divisors: 1 17 625948121 10641118057