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10211100001 = 42532400917
BaseRepresentation
bin10011000001010000…
…10000010101100001
3222100121222121212221
421200220100111201
5131403020200001
64405123151041
7511016626564
oct114050202541
928317877787
1010211100001
11436a999623
121b8b815481
13c6965cc0b
146cc1d44db
153eb6ab1a1
hex260a10561

10211100001 has 4 divisors (see below), whose sum is σ = 10213505172. Its totient is φ = 10208694832.

The previous prime is 10211099999. The next prime is 10211100019. The reversal of 10211100001 is 10000111201.

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 3853429776 + 6357670225 = 62076^2 + 79735^2 .

It is a cyclic number.

It is not a de Polignac number, because 10211100001 - 21 = 10211099999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10211100091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1196206 + ... + 1204711.

It is an arithmetic number, because the mean of its divisors is an integer number (2553376293).

Almost surely, 210211100001 is an apocalyptic number.

It is an amenable number.

10211100001 is a deficient number, since it is larger than the sum of its proper divisors (2405171).

10211100001 is an equidigital number, since it uses as much as digits as its factorization.

10211100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2405170.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 10211100001 its reverse (10000111201), we get a palindrome (20211211202).

The spelling of 10211100001 in words is "ten billion, two hundred eleven million, one hundred thousand, one".

Divisors: 1 4253 2400917 10211100001