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7050030025 = 521284121961
BaseRepresentation
bin1101001000011011…
…01110101111001001
3200012022212122002011
412210031232233021
5103414301430100
63123322335521
7336464160253
oct64415565711
920168778064
107050030025
112a986159a5
12144905a5a1
138847a1bcc
144ac460cd3
152b3decbba
hex1a436ebc9

7050030025 has 12 divisors (see below), whose sum is σ = 8743116124. Its totient is φ = 5639328000.

The previous prime is 7050030023. The next prime is 7050030037. The reversal of 7050030025 is 5200300507.

It can be written as a sum of positive squares in 6 ways, for example, as 76729 + 7049953296 = 277^2 + 83964^2 .

It is not a de Polignac number, because 7050030025 - 21 = 7050030023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7050029978 and 7050030005.

It is not an unprimeable number, because it can be changed into a prime (7050030023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 310045 + ... + 332005.

Almost surely, 27050030025 is an apocalyptic number.

It is an amenable number.

7050030025 is a deficient number, since it is larger than the sum of its proper divisors (1693086099).

7050030025 is a wasteful number, since it uses less digits than its factorization.

7050030025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34812 (or 34807 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 22.

The square root of 7050030025 is about 83964.4569148160. The cubic root of 7050030025 is about 1917.4777014599.

The spelling of 7050030025 in words is "seven billion, fifty million, thirty thousand, twenty-five".

Divisors: 1 5 25 12841 21961 64205 109805 321025 549025 282001201 1410006005 7050030025