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10001111233 = 201122473
BaseRepresentation
bin10010101000001110…
…01101100011000001
3221210222212002110011
421110013031203001
5130440241024413
64332222304521
7502560020461
oct112407154301
927728762404
1010001111233
114272403993
121b31428141
13c34cb91c9
146ac371ba1
153d802c33d
hex2541cd8c1

10001111233 has 6 divisors (see below), whose sum is σ = 10010133042. Its totient is φ = 9992095920.

The previous prime is 10001111231. The next prime is 10001111243. The reversal of 10001111233 is 33211110001.

It can be written as a sum of positive squares in only one way, i.e., 9317654784 + 683456449 = 96528^2 + 26143^2 .

It is not a de Polignac number, because 10001111233 - 21 = 10001111231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10001111231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4042885 + ... + 4045357.

It is an arithmetic number, because the mean of its divisors is an integer number (1668355507).

Almost surely, 210001111233 is an apocalyptic number.

It is an amenable number.

10001111233 is a deficient number, since it is larger than the sum of its proper divisors (9021809).

10001111233 is an frugal number, since it uses more digits than its factorization.

10001111233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6495 (or 4484 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 10001111233 its reverse (33211110001), we get a palindrome (43212221234).

The spelling of 10001111233 in words is "ten billion, one million, one hundred eleven thousand, two hundred thirty-three".

Divisors: 1 2011 2473 4044121 4973203 10001111233