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2000312311 = 7925320409
BaseRepresentation
bin111011100111010…
…0101011111110111
312011101221101122011
41313032211133313
513044034443221
6530253345051
7100366242214
oct16716453767
95141841564
102000312311
11937140278
12479a98187
1325b55656a
1414d93ab0b
15ba9251e1
hex773a57f7

2000312311 has 4 divisors (see below), whose sum is σ = 2025632800. Its totient is φ = 1974991824.

The previous prime is 2000312297. The next prime is 2000312359. The reversal of 2000312311 is 1132130002.

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 2000312311 - 215 = 2000279543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2000312291 and 2000312300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000312911) 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, 12660126 + ... + 12660283.

It is an arithmetic number, because the mean of its divisors is an integer number (506408200).

Almost surely, 22000312311 is an apocalyptic number.

2000312311 is a deficient number, since it is larger than the sum of its proper divisors (25320489).

2000312311 is an equidigital number, since it uses as much as digits as its factorization.

2000312311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25320488.

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

The square root of 2000312311 is about 44724.8511568233. The cubic root of 2000312311 is about 1259.9866276820.

Adding to 2000312311 its reverse (1132130002), we get a palindrome (3132442313).

The spelling of 2000312311 in words is "two billion, three hundred twelve thousand, three hundred eleven".

Divisors: 1 79 25320409 2000312311