Base | Representation |
---|---|
bin | 110011011101000101100… |
… | …0110111000001001000101 |
3 | 221001001200101102102002211 |
4 | 1212322023012320021011 |
5 | 1411331122100130221 |
6 | 23012432452303421 |
7 | 1326632015142502 |
oct | 146721306701105 |
9 | 27031611372084 |
10 | 7071850005061 |
11 | 2287177a68616 |
12 | 9626a4311b71 |
13 | 3c3b4612081a |
14 | 1a63ca8204a9 |
15 | c3e4d4446e1 |
hex | 66e8b1b8245 |
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".
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