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7063721013 = 35581421891
BaseRepresentation
bin1101001010000011…
…11101010000110101
3200020021122012120210
412211001331100311
5103431303033023
63124532020033
7340021431546
oct64501752065
920207565523
107063721013
112aa5317168
121451761619
1388758679b
144b01c64cd
152b5204593
hex1a507d435

7063721013 has 8 divisors (see below), whose sum is σ = 9420004576. Its totient is φ = 4708292400.

The previous prime is 7063721003. The next prime is 7063721053. The reversal of 7063721013 is 3101273607.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7063721013 - 25 = 7063720981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7063721003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194203 + ... + 227688.

It is an arithmetic number, because the mean of its divisors is an integer number (1177500572).

Almost surely, 27063721013 is an apocalyptic number.

It is an amenable number.

7063721013 is a deficient number, since it is larger than the sum of its proper divisors (2356283563).

7063721013 is a wasteful number, since it uses less digits than its factorization.

7063721013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427475.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 7063721013 is about 84045.9458451150. The cubic root of 7063721013 is about 1918.7181306367.

The spelling of 7063721013 in words is "seven billion, sixty-three million, seven hundred twenty-one thousand, thirteen".

Divisors: 1 3 5581 16743 421891 1265673 2354573671 7063721013