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10505615105 = 53433612037
BaseRepresentation
bin10011100100010111…
…01111011100000001
31000010011011112122202
421302023233130001
5133003414140410
64454243442545
7521224153316
oct116213573401
930104145582
1010505615105
114501167137
122052386455
13cb568a2cb
1471937ad0d
15417484ca5
hex2722ef701

10505615105 has 8 divisors (see below), whose sum is σ = 12610430952. Its totient is φ = 8402030208.

The previous prime is 10505615059. The next prime is 10505615111. The reversal of 10505615105 is 50151650501.

It is a happy number.

10505615105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1774768384 + 8730846721 = 42128^2 + 93439^2 .

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 10505615105 - 216 = 10505549569 is a prime.

It is a super-2 number, since 2×105056151052 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288854 + ... + 323183.

It is an arithmetic number, because the mean of its divisors is an integer number (1576303869).

Almost surely, 210505615105 is an apocalyptic number.

It is an amenable number.

10505615105 is a deficient number, since it is larger than the sum of its proper divisors (2104815847).

10505615105 is an equidigital number, since it uses as much as digits as its factorization.

10505615105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615475.

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 10505615105 in words is "ten billion, five hundred five million, six hundred fifteen thousand, one hundred five".

Divisors: 1 5 3433 17165 612037 3060185 2101123021 10505615105