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10506060655 = 52101212131
BaseRepresentation
bin10011100100011010…
…11100001101101111
31000010012000011211121
421302031130031233
5133004022420110
64454301201411
7521231020306
oct116215341557
930105004747
1010506060655
114501440962
122052560267
13cb57b504c
1471945543d
15417521cda
hex27235c36f

10506060655 has 4 divisors (see below), whose sum is σ = 12607272792. Its totient is φ = 8404848520.

The previous prime is 10506060581. The next prime is 10506060671. The reversal of 10506060655 is 55606060501.

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

It is not a de Polignac number, because 10506060655 - 29 = 10506060143 is a prime.

It is a super-2 number, since 2×105060606552 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10506060655.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1050606061 + ... + 1050606070.

It is an arithmetic number, because the mean of its divisors is an integer number (3151818198).

Almost surely, 210506060655 is an apocalyptic number.

10506060655 is a deficient number, since it is larger than the sum of its proper divisors (2101212137).

10506060655 is an equidigital number, since it uses as much as digits as its factorization.

10506060655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101212136.

The product of its (nonzero) digits is 27000, while the sum is 34.

The spelling of 10506060655 in words is "ten billion, five hundred six million, sixty thousand, six hundred fifty-five".

Divisors: 1 5 2101212131 10506060655