Base | Representation |
---|---|
bin | 10010101011101101… |
… | …111100011100001101 |
3 | 1220210001222002201100 |
4 | 102223231330130031 |
5 | 312041032122130 |
6 | 13114340533313 |
7 | 1310061063264 |
oct | 225355743415 |
9 | 56701862640 |
10 | 20060817165 |
11 | 8564898944 |
12 | 3a7a3b1239 |
13 | 1b7917c81c |
14 | d843d75db |
15 | 7c6280c60 |
hex | 4abb7c70d |
20060817165 has 24 divisors (see below), whose sum is σ = 34777630368. Its totient is φ = 10697395680.
The previous prime is 20060817163. The next prime is 20060817167. The reversal of 20060817165 is 56171806002.
20060817165 is a `hidden beast` number, since 20 + 0 + 608 + 17 + 16 + 5 = 666.
It is an interprime number because it is at equal distance from previous prime (20060817163) and next prime (20060817167).
It is not a de Polignac number, because 20060817165 - 21 = 20060817163 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20060817163) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 280530 + ... + 344700.
It is an arithmetic number, because the mean of its divisors is an integer number (1449067932).
Almost surely, 220060817165 is an apocalyptic number.
It is an amenable number.
20060817165 is a deficient number, since it is larger than the sum of its proper divisors (14716813203).
20060817165 is a wasteful number, since it uses less digits than its factorization.
20060817165 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71129 (or 71126 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 36.
It can be divided in two parts, 20060 and 817165, that added together give a square (837225 = 9152).
The spelling of 20060817165 in words is "twenty billion, sixty million, eight hundred seventeen thousand, one hundred sixty-five".
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