Search a number
-
+
10001011009 = 1122315312663
BaseRepresentation
bin10010101000001101…
…10101000101000001
3221210222122222222011
421110012311011001
5130440224323014
64332220212521
7502556122333
oct112406650501
927728588864
1010001011009
114272345660
121b3139a141
13c34c826c2
146ac347453
153d800c7c4
hex2541b5141

10001011009 has 16 divisors (see below), whose sum is σ = 10970394624. Its totient is φ = 9041749200.

The previous prime is 10001011001. The next prime is 10001011037. The reversal of 10001011009 is 90011010001.

It is not a de Polignac number, because 10001011009 - 23 = 10001011001 is a prime.

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 10001011009.

It is not an unprimeable number, because it can be changed into a prime (10001011001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3754212 + ... + 3756874.

It is an arithmetic number, because the mean of its divisors is an integer number (685649664).

Almost surely, 210001011009 is an apocalyptic number.

It is an amenable number.

10001011009 is a deficient number, since it is larger than the sum of its proper divisors (969383615).

10001011009 is a wasteful number, since it uses less digits than its factorization.

10001011009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4428.

The product of its (nonzero) digits is 9, while the sum is 13.

The spelling of 10001011009 in words is "ten billion, one million, eleven thousand, nine".

Divisors: 1 11 223 1531 2453 2663 16841 29293 341413 593849 3755543 4077053 6532339 44847583 909182819 10001011009