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1101000001 = 2293480157
BaseRepresentation
bin100000110011111…
…1110110101000001
32211201201121001211
41001213332311001
54223324000001
6301130130121
736166226353
oct10147766501
92751647054
101101000001
11515538662
12268880941
13147140bba
14a631d0d3
15669d2351
hex419fed41

1101000001 has 4 divisors (see below), whose sum is σ = 1101482452. Its totient is φ = 1100517552.

The previous prime is 1100999989. The next prime is 1101000059. The reversal of 1101000001 is 1000001011.

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 492884401 + 608115600 = 22201^2 + 24660^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101000001 - 25 = 1100999969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101000301) 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, 237786 + ... + 242371.

It is an arithmetic number, because the mean of its divisors is an integer number (275370613).

Almost surely, 21101000001 is an apocalyptic number.

It is an amenable number.

1101000001 is a deficient number, since it is larger than the sum of its proper divisors (482451).

1101000001 is an equidigital number, since it uses as much as digits as its factorization.

1101000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482450.

The product of its (nonzero) digits is 1, while the sum is 4.

The square root of 1101000001 is about 33181.3200611428. The cubic root of 1101000001 is about 1032.5928331815.

Adding to 1101000001 its reverse (1000001011), we get a palindrome (2101001012).

The spelling of 1101000001 in words is "one billion, one hundred one million, one", and thus it is an aban number.

Divisors: 1 2293 480157 1101000001