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1006105051109 = 1634961539241
BaseRepresentation
bin11101010010000001000…
…10001011111111100101
310120011221012011011012002
432221000202023333211
5112441000343113414
62050110454535045
7132455135554604
oct16510042137745
93504835134162
101006105051109
11358761088184
12142ba6667485
1373b4c056212
14369a519da3b
151b2877004de
hexea4088bfe5

1006105051109 has 4 divisors (see below), whose sum is σ = 1006166606700. Its totient is φ = 1006043495520.

The previous prime is 1006105051097. The next prime is 1006105051111. The reversal of 1006105051109 is 9011505016001.

1006105051109 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 469563451009 + 536541600100 = 685247^2 + 732490^2 .

It is a cyclic number.

It is not a de Polignac number, because 1006105051109 - 24 = 1006105051093 is a prime.

It is a super-3 number, since 3×10061050511093 (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1006105051199) 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, 30753272 + ... + 30785969.

It is an arithmetic number, because the mean of its divisors is an integer number (251541651675).

Almost surely, 21006105051109 is an apocalyptic number.

It is an amenable number.

1006105051109 is a deficient number, since it is larger than the sum of its proper divisors (61555591).

1006105051109 is an equidigital number, since it uses as much as digits as its factorization.

1006105051109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61555590.

The product of its (nonzero) digits is 1350, while the sum is 29.

The spelling of 1006105051109 in words is "one trillion, six billion, one hundred five million, fifty-one thousand, one hundred nine".

Divisors: 1 16349 61539241 1006105051109