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611000105 = 5122200021
BaseRepresentation
bin100100011010110…
…001111100101001
31120120201000120112
4210122301330221
52222404000410
6140343504105
721066262262
oct4432617451
91516630515
10611000105
11293991471
12150758035
139977a731
145b20b969
1538992105
hex246b1f29

611000105 has 4 divisors (see below), whose sum is σ = 733200132. Its totient is φ = 488800080.

The previous prime is 611000099. The next prime is 611000147. The reversal of 611000105 is 501000116.

611000105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 360696064 + 250304041 = 18992^2 + 15821^2 .

It is not a de Polignac number, because 611000105 - 218 = 610737961 is a prime.

It is a super-2 number, since 2×6110001052 = 746642256620022050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 611000105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61100006 + ... + 61100015.

It is an arithmetic number, because the mean of its divisors is an integer number (183300033).

Almost surely, 2611000105 is an apocalyptic number.

It is an amenable number.

611000105 is a deficient number, since it is larger than the sum of its proper divisors (122200027).

611000105 is a wasteful number, since it uses less digits than its factorization.

611000105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122200026.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 611000105 is about 24718.4163125391. The cubic root of 611000105 is about 848.5558430261. Note that the first 3 decimals are identical.

The spelling of 611000105 in words is "six hundred eleven million, one hundred five", and thus it is an aban number.

Divisors: 1 5 122200021 611000105