Base | Representation |
---|---|
bin | 111000111000111010… |
… | …111001111110100111 |
3 | 12211200002021112010211 |
4 | 320320322321332213 |
5 | 2000100113224241 |
6 | 44021205000251 |
7 | 4261505515546 |
oct | 707072717647 |
9 | 184602245124 |
10 | 61084508071 |
11 | 239a6681024 |
12 | ba090b3087 |
13 | 59b6345642 |
14 | 2d5691c15d |
15 | 18c7a78781 |
hex | e38eb9fa7 |
61084508071 has 32 divisors (see below), whose sum is σ = 67977792000. Its totient is φ = 54629245440.
The previous prime is 61084508057. The next prime is 61084508077. The reversal of 61084508071 is 17080548016.
It is a cyclic number.
It is not a de Polignac number, because 61084508071 - 25 = 61084508039 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 (61084508077) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13136955 + ... + 13141603.
It is an arithmetic number, because the mean of its divisors is an integer number (2124306000).
Almost surely, 261084508071 is an apocalyptic number.
61084508071 is a deficient number, since it is larger than the sum of its proper divisors (6893283929).
61084508071 is a wasteful number, since it uses less digits than its factorization.
61084508071 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5079.
The product of its (nonzero) digits is 53760, while the sum is 40.
The spelling of 61084508071 in words is "sixty-one billion, eighty-four million, five hundred eight thousand, seventy-one".
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