Search a number
-
+
2040218201 = 7291459743
BaseRepresentation
bin111100110011011…
…0100001001011001
312021012000211020002
41321212310021121
513134243440301
6534240542345
7101362366010
oct17146641131
95235024202
102040218201
1195771714a
1248b3219b5
132668b9308
14154d67a77
15be1a916b
hex799b4259

2040218201 has 4 divisors (see below), whose sum is σ = 2331677952. Its totient is φ = 1748758452.

The previous prime is 2040218189. The next prime is 2040218239. The reversal of 2040218201 is 1028120402.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2040218201 - 218 = 2039956057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2040218251) 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, 145729865 + ... + 145729878.

It is an arithmetic number, because the mean of its divisors is an integer number (582919488).

Almost surely, 22040218201 is an apocalyptic number.

It is an amenable number.

2040218201 is a deficient number, since it is larger than the sum of its proper divisors (291459751).

2040218201 is an equidigital number, since it uses as much as digits as its factorization.

2040218201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291459750.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 2040218201 is about 45168.7746236269. The cubic root of 2040218201 is about 1268.3103578835.

Adding to 2040218201 its reverse (1028120402), we get a palindrome (3068338603).

The spelling of 2040218201 in words is "two billion, forty million, two hundred eighteen thousand, two hundred one".

Divisors: 1 7 291459743 2040218201