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1000110556105 = 5200022111221
BaseRepresentation
bin11101000110110110011…
…11000000001111001001
310112121110102110020221121
432203123033000033021
5112341211300243410
62043240000035241
7132153446315023
oct16433317001711
93477412406847
101000110556105
11356165377381
121419b3002b21
137340516705b
1436596dc5013
151b0363039da
hexe8db3c03c9

1000110556105 has 4 divisors (see below), whose sum is σ = 1200132667332. Its totient is φ = 800088444880.

The previous prime is 1000110556103. The next prime is 1000110556117. The reversal of 1000110556105 is 5016550110001.

1000110556105 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 670518597904 + 329591958201 = 818852^2 + 574101^2 .

It is not a de Polignac number, because 1000110556105 - 21 = 1000110556103 is a prime.

It is a super-2 number, since 2×10001105561052 (a number of 25 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 1000110556105.

It is not an unprimeable number, because it can be changed into a prime (1000110556103) 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, 100011055606 + ... + 100011055615.

It is an arithmetic number, because the mean of its divisors is an integer number (300033166833).

Almost surely, 21000110556105 is an apocalyptic number.

It is an amenable number.

1000110556105 is a deficient number, since it is larger than the sum of its proper divisors (200022111227).

1000110556105 is an equidigital number, since it uses as much as digits as its factorization.

1000110556105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200022111226.

The product of its (nonzero) digits is 750, while the sum is 25.

Adding to 1000110556105 its reverse (5016550110001), we get a palindrome (6016660666106).

The spelling of 1000110556105 in words is "one trillion, one hundred ten million, five hundred fifty-six thousand, one hundred five".

Divisors: 1 5 200022111221 1000110556105