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11202100001 = 35081319321
BaseRepresentation
bin10100110111011001…
…00111101100100001
31001220200201122022122
422123230213230201
5140420214200001
65051323514025
7544412164451
oct123354475441
931820648278
1011202100001
114829325594
122207688915
131096a68751
14783a7bd61
154586b0b1b
hex29bb27b21

11202100001 has 4 divisors (see below), whose sum is σ = 11202454404. Its totient is φ = 11201745600.

The previous prime is 11202099989. The next prime is 11202100033. The reversal of 11202100001 is 10000120211.

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 10516707601 + 685392400 = 102551^2 + 26180^2 .

It is a cyclic number.

It is not a de Polignac number, because 11202100001 - 214 = 11202083617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11202100051) 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, 124580 + ... + 194741.

It is an arithmetic number, because the mean of its divisors is an integer number (2800613601).

Almost surely, 211202100001 is an apocalyptic number.

It is an amenable number.

11202100001 is a deficient number, since it is larger than the sum of its proper divisors (354403).

11202100001 is an equidigital number, since it uses as much as digits as its factorization.

11202100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354402.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 11202100001 its reverse (10000120211), we get a palindrome (21202220212).

The spelling of 11202100001 in words is "eleven billion, two hundred two million, one hundred thousand, one".

Divisors: 1 35081 319321 11202100001