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20060817165 = 325694764171
BaseRepresentation
bin10010101011101101…
…111100011100001101
31220210001222002201100
4102223231330130031
5312041032122130
613114340533313
71310061063264
oct225355743415
956701862640
1020060817165
118564898944
123a7a3b1239
131b7917c81c
14d843d75db
157c6280c60
hex4abb7c70d

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".

Divisors: 1 3 5 9 15 45 6947 20841 34735 62523 64171 104205 192513 312615 320855 577539 962565 2887695 445795937 1337387811 2228979685 4012163433 6686939055 20060817165