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1012000000001 = 1815591160221
BaseRepresentation
bin11101011100111111110…
…01101000100000000001
310120202011000112120211112
432232133321220200001
5113040034000000001
62052523440053105
7133054206032534
oct16563771504001
93522130476745
101012000000001
11360206687571
12144170904195
137457b430363
1436da4064a1b
151b4ceed6cbb
hexeb9fe68801

1012000000001 has 4 divisors (see below), whose sum is σ = 1017591160404. Its totient is φ = 1006408839600.

The previous prime is 1011999999949. The next prime is 1012000000079. The reversal of 1012000000001 is 1000000002101.

It is a happy number.

1012000000001 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 314648074225 + 697351925776 = 560935^2 + 835076^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012000000001 - 234 = 994820130817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012000000201) 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, 2795579930 + ... + 2795580291.

It is an arithmetic number, because the mean of its divisors is an integer number (254397790101).

Almost surely, 21012000000001 is an apocalyptic number.

It is an amenable number.

1012000000001 is a deficient number, since it is larger than the sum of its proper divisors (5591160403).

1012000000001 is an equidigital number, since it uses as much as digits as its factorization.

1012000000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5591160402.

The product of its (nonzero) digits is 2, while the sum is 5.

Adding to 1012000000001 its reverse (1000000002101), we get a palindrome (2012000002102).

The spelling of 1012000000001 in words is "one trillion, twelve billion, one", and thus it is an aban number and an uban number.

Divisors: 1 181 5591160221 1012000000001