Base | Representation |
---|---|
bin | 1011011001000011101… |
… | …1110110011000011101 |
3 | 200201011000202000121011 |
4 | 2312100323312120131 |
5 | 11201301003333134 |
6 | 225523344135221 |
7 | 20065520133400 |
oct | 2662073663035 |
9 | 621130660534 |
10 | 195705136669 |
11 | 75aa84a1879 |
12 | 31b19307511 |
13 | 155bb5aaa23 |
14 | 9687933d37 |
15 | 51563a7264 |
hex | 2d90ef661d |
195705136669 has 96 divisors (see below), whose sum is σ = 249042393600. Its totient is φ = 152845056000.
The previous prime is 195705136661. The next prime is 195705136673. The reversal of 195705136669 is 966631507591.
It is not a de Polignac number, because 195705136669 - 23 = 195705136661 is a prime.
It is a super-2 number, since 2×1957051366692 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (195705136661) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 812054389 + ... + 812054629.
It is an arithmetic number, because the mean of its divisors is an integer number (2594191600).
Almost surely, 2195705136669 is an apocalyptic number.
195705136669 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
It is an amenable number.
195705136669 is a deficient number, since it is larger than the sum of its proper divisors (53337256931).
195705136669 is a wasteful number, since it uses less digits than its factorization.
195705136669 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 595 (or 588 counting only the distinct ones).
The product of its (nonzero) digits is 9185400, while the sum is 58.
The spelling of 195705136669 in words is "one hundred ninety-five billion, seven hundred five million, one hundred thirty-six thousand, six hundred sixty-nine".
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