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202200112001 = 731212765281
BaseRepresentation
bin1011110001010000010…
…0001101101110000001
3201022220200011221210002
42330110010031232001
511303101212041001
6232520042045345
720415464410466
oct2742404155601
9638820157702
10202200112001
1178830767988
12332304a9855
13160b508c7b4
149b0238b66d
1553d66b446b
hex2f1410db81

202200112001 has 4 divisors (see below), whose sum is σ = 202202950404. Its totient is φ = 202197273600.

The previous prime is 202200111979. The next prime is 202200112043. The reversal of 202200112001 is 100211002202.

It is a happy number.

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 76759473025 + 125440638976 = 277055^2 + 354176^2 .

It is a cyclic number.

It is not a de Polignac number, because 202200112001 - 222 = 202195917697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (202200112601) 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, 1309520 + ... + 1455761.

It is an arithmetic number, because the mean of its divisors is an integer number (50550737601).

Almost surely, 2202200112001 is an apocalyptic number.

It is an amenable number.

202200112001 is a deficient number, since it is larger than the sum of its proper divisors (2838403).

202200112001 is an equidigital number, since it uses as much as digits as its factorization.

202200112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2838402.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 202200112001 its reverse (100211002202), we get a palindrome (302411114203).

The spelling of 202200112001 in words is "two hundred two billion, two hundred million, one hundred twelve thousand, one".

Divisors: 1 73121 2765281 202200112001