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7071850005061 is a prime number
BaseRepresentation
bin110011011101000101100…
…0110111000001001000101
3221001001200101102102002211
41212322023012320021011
51411331122100130221
623012432452303421
71326632015142502
oct146721306701105
927031611372084
107071850005061
112287177a68616
129626a4311b71
133c3b4612081a
141a63ca8204a9
15c3e4d4446e1
hex66e8b1b8245

7071850005061 has 2 divisors, whose sum is σ = 7071850005062. Its totient is φ = 7071850005060.

The previous prime is 7071850005053. The next prime is 7071850005067. The reversal of 7071850005061 is 1605000581707.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5444615556900 + 1627234448161 = 2333370^2 + 1275631^2 .

It is a cyclic number.

It is not a de Polignac number, because 7071850005061 - 23 = 7071850005053 is a prime.

It is a super-2 number, since 2×70718500050612 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7071850005067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3535925002530 + 3535925002531.

It is an arithmetic number, because the mean of its divisors is an integer number (3535925002531).

Almost surely, 27071850005061 is an apocalyptic number.

It is an amenable number.

7071850005061 is a deficient number, since it is larger than the sum of its proper divisors (1).

7071850005061 is an equidigital number, since it uses as much as digits as its factorization.

7071850005061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58800, while the sum is 40.

Adding to 7071850005061 its reverse (1605000581707), we get a palindrome (8676850586768).

The spelling of 7071850005061 in words is "seven trillion, seventy-one billion, eight hundred fifty million, five thousand, sixty-one".