Search a number
-
+
2012203001 = 2387487087
BaseRepresentation
bin111011111101111…
…1100011111111001
312012020022111121002
41313323330133321
513110110444001
6531400254345
7100602305024
oct16773743771
95166274532
102012203001
11942921996
12481a713b5
13260b5a883
141513541bb
15bb9c346b
hex77efc7f9

2012203001 has 4 divisors (see below), whose sum is σ = 2099690112. Its totient is φ = 1924715892.

The previous prime is 2012202989. The next prime is 2012203003. The reversal of 2012203001 is 1003022102.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2012203001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012203003) 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, 43743521 + ... + 43743566.

It is an arithmetic number, because the mean of its divisors is an integer number (524922528).

Almost surely, 22012203001 is an apocalyptic number.

It is an amenable number.

2012203001 is a deficient number, since it is larger than the sum of its proper divisors (87487111).

2012203001 is an equidigital number, since it uses as much as digits as its factorization.

2012203001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87487110.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2012203001 is about 44857.5857687415. The cubic root of 2012203001 is about 1262.4783254914.

Adding to 2012203001 its reverse (1003022102), we get a palindrome (3015225103).

The spelling of 2012203001 in words is "two billion, twelve million, two hundred three thousand, one".

Divisors: 1 23 87487087 2012203001