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3000113021 = 15971878593
BaseRepresentation
bin1011001011010010…
…0001011101111101
321202002020112101002
42302310201131331
522121012104041
61213410500045
7134226353123
oct26264413575
97662215332
103000113021
1112aa538354
126b8894625
1338a723b09
14206635913
151285b759b
hexb2d2177d

3000113021 has 4 divisors (see below), whose sum is σ = 3001993212. Its totient is φ = 2998232832.

The previous prime is 3000113003. The next prime is 3000113027. The reversal of 3000113021 is 1203110003.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1063672996 + 1936440025 = 32614^2 + 44005^2 .

It is a cyclic number.

It is not a de Polignac number, because 3000113021 - 26 = 3000112957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3000112993 and 3000113011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3000113027) 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, 937700 + ... + 940893.

It is an arithmetic number, because the mean of its divisors is an integer number (750498303).

Almost surely, 23000113021 is an apocalyptic number.

It is an amenable number.

3000113021 is a deficient number, since it is larger than the sum of its proper divisors (1880191).

3000113021 is a wasteful number, since it uses less digits than its factorization.

3000113021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880190.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 3000113021 is about 54773.2874766523. The cubic root of 3000113021 is about 1442.2676816898.

Adding to 3000113021 its reverse (1203110003), we get a palindrome (4203223024).

The spelling of 3000113021 in words is "three billion, one hundred thirteen thousand, twenty-one".

Divisors: 1 1597 1878593 3000113021