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2040212243 = 67263115783
BaseRepresentation
bin111100110011011…
…0010101100010011
312021012000112001102
41321212302230103
513134243242433
6534240455015
7101362342436
oct17146625423
95235015042
102040212243
11957712723
1248b31a46b
132668b66a4
14154d6581d
15be1a74e8
hex799b2b13

2040212243 has 8 divisors (see below), whose sum is σ = 2078554368. Its totient is φ = 2002102344.

The previous prime is 2040212231. The next prime is 2040212257. The reversal of 2040212243 is 3422120402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2040212243 - 212 = 2040208147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2040262243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40271 + ... + 75512.

It is an arithmetic number, because the mean of its divisors is an integer number (259819296).

Almost surely, 22040212243 is an apocalyptic number.

2040212243 is a deficient number, since it is larger than the sum of its proper divisors (38342125).

2040212243 is a wasteful number, since it uses less digits than its factorization.

2040212243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116113.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2040212243 is about 45168.7086709372. The cubic root of 2040212243 is about 1268.3091232769.

Adding to 2040212243 its reverse (3422120402), we get a palindrome (5462332645).

The spelling of 2040212243 in words is "two billion, forty million, two hundred twelve thousand, two hundred forty-three".

Divisors: 1 67 263 17621 115783 7757461 30450929 2040212243