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2002331011 = 16691199719
BaseRepresentation
bin111011101011001…
…0010010110000011
312011112201221202211
41313112102112003
513100044043021
6530404522551
7100422350512
oct16726222603
95145657684
102002331011
11938299a1a
1247a6b0457
1325bab2365
1414dd04679
15babc33e1
hex77592583

2002331011 has 4 divisors (see below), whose sum is σ = 2003532400. Its totient is φ = 2001129624.

The previous prime is 2002330997. The next prime is 2002331047. The reversal of 2002331011 is 1101332002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2002331011 - 229 = 1465460099 is a prime.

It is a super-2 number, since 2×20023310112 = 8018658955224564242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002330982 and 2002331000.

It is not an unprimeable number, because it can be changed into a prime (2002331711) 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, 598191 + ... + 601528.

It is an arithmetic number, because the mean of its divisors is an integer number (500883100).

Almost surely, 22002331011 is an apocalyptic number.

2002331011 is a deficient number, since it is larger than the sum of its proper divisors (1201389).

2002331011 is a wasteful number, since it uses less digits than its factorization.

2002331011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201388.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2002331011 is about 44747.4134559753. The cubic root of 2002331011 is about 1260.4103414911.

Adding to 2002331011 its reverse (1101332002), we get a palindrome (3103663013).

Subtracting from 2002331011 its reverse (1101332002), we obtain a palindrome (900999009).

The spelling of 2002331011 in words is "two billion, two million, three hundred thirty-one thousand, eleven".

Divisors: 1 1669 1199719 2002331011