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3020321013 = 31006773671
BaseRepresentation
bin1011010000000110…
…0111000011110101
321210111021012112020
42310001213003311
522141200233023
61215411543353
7134563206423
oct26401470365
97714235466
103020321013
11130a98a976
127035bab59
1339197aac8
142091b6113
1512a259de3
hexb40670f5

3020321013 has 4 divisors (see below), whose sum is σ = 4027094688. Its totient is φ = 2013547340.

The previous prime is 3020321011. The next prime is 3020321023. The reversal of 3020321013 is 3101230203.

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 not a de Polignac number, because 3020321013 - 21 = 3020321011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3020320983 and 3020321001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3020321011) 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, 503386833 + ... + 503386838.

It is an arithmetic number, because the mean of its divisors is an integer number (1006773672).

Almost surely, 23020321013 is an apocalyptic number.

It is an amenable number.

3020321013 is a deficient number, since it is larger than the sum of its proper divisors (1006773675).

3020321013 is a wasteful number, since it uses less digits than its factorization.

3020321013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006773674.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 3020321013 is about 54957.4472933378. The cubic root of 3020321013 is about 1445.4986865279.

Adding to 3020321013 its reverse (3101230203), we get a palindrome (6121551216).

The spelling of 3020321013 in words is "three billion, twenty million, three hundred twenty-one thousand, thirteen".

Divisors: 1 3 1006773671 3020321013