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7075317021 = 32922804327
BaseRepresentation
bin1101001011011100…
…01100010100011101
3200021002110100022120
412211232030110131
5103442240121041
63130024333153
7340222126263
oct64556142435
920232410276
107075317021
113000917443
1214556141b9
13889ab6926
144b1964433
152b6245366
hex1a5b8c51d

7075317021 has 12 divisors (see below), whose sum is σ = 9770278752. Its totient is φ = 4554225424.

The previous prime is 7075317019. The next prime is 7075317083. The reversal of 7075317021 is 1207135707.

It is not a de Polignac number, because 7075317021 - 21 = 7075317019 is a prime.

It is a super-2 number, since 2×70753170212 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7075316021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1399641 + ... + 1404686.

It is an arithmetic number, because the mean of its divisors is an integer number (814189896).

Almost surely, 27075317021 is an apocalyptic number.

It is an amenable number.

7075317021 is a deficient number, since it is larger than the sum of its proper divisors (2694961731).

7075317021 is a wasteful number, since it uses less digits than its factorization.

7075317021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2804388 (or 2804359 counting only the distinct ones).

The product of its (nonzero) digits is 10290, while the sum is 33.

The square root of 7075317021 is about 84114.9036794313. The cubic root of 7075317021 is about 1919.7674976167.

The spelling of 7075317021 in words is "seven billion, seventy-five million, three hundred seventeen thousand, twenty-one".

Divisors: 1 3 29 87 841 2523 2804327 8412981 81325483 243976449 2358439007 7075317021