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1000010001 = 3571583777
BaseRepresentation
bin111011100110101…
…111000100010001
32120200200202211110
4323212233010101
54022000310001
6243121403533
733531642024
oct7346570421
92520622743
101000010001
11473530351
1223aa995a9
1312c2418c3
1496b511bb
155cbd43d6
hex3b9af111

1000010001 has 8 divisors (see below), whose sum is σ = 1335684064. Its totient is φ = 665504640.

The previous prime is 1000009999. The next prime is 1000010029. The reversal of 1000010001 is 1000100001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1000010001 - 21 = 1000009999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (3).

It is a Duffinian number.

1000010001 is a modest number, since divided by 10001 gives 10 as remainder.

It is not an unprimeable number, because it can be changed into a prime (1000010051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290176 + ... + 293601.

It is an arithmetic number, because the mean of its divisors is an integer number (166960508).

Almost surely, 21000010001 is an apocalyptic number.

It is an amenable number.

1000010001 is a deficient number, since it is larger than the sum of its proper divisors (335674063).

1000010001 is an equidigital number, since it uses as much as digits as its factorization.

1000010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584351.

The product of its (nonzero) digits is 1, while the sum is 3.

The square root of 1000010001 is about 31622.9347309828. The cubic root of 1000010001 is about 1000.0033336556.

Adding to 1000010001 its reverse (1000100001), we get a palindrome (2000110002).

Subtracting 1000010001 from its reverse (1000100001), we obtain a square (90000 = 3002).

The spelling of 1000010001 in words is "one billion, ten thousand, one".

Divisors: 1 3 571 1713 583777 1751331 333336667 1000010001