Base | Representation |
---|---|
bin | 10000100001010000… |
… | …01111101101101001 |
3 | 211220002102211021210 |
4 | 20100220033231221 |
5 | 121130420421134 |
6 | 4024015423333 |
7 | 432531402054 |
oct | 102050175551 |
9 | 24802384253 |
10 | 8868920169 |
11 | 3841301a9a |
12 | 1876224b49 |
13 | ab4577175 |
14 | 601c53a9b |
15 | 36d9382e9 |
hex | 210a0fb69 |
8868920169 has 16 divisors (see below), whose sum is σ = 12254215680. Its totient is φ = 5699604480.
The previous prime is 8868920153. The next prime is 8868920173. The reversal of 8868920169 is 9610298688.
It is not a de Polignac number, because 8868920169 - 24 = 8868920153 is a prime.
It is a super-2 number, since 2×88689201692 (a number of 21 digits) contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (8868920119) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161634 + ... + 209435.
It is an arithmetic number, because the mean of its divisors is an integer number (765888480).
Almost surely, 28868920169 is an apocalyptic number.
It is an amenable number.
8868920169 is a deficient number, since it is larger than the sum of its proper divisors (3385295511).
8868920169 is a wasteful number, since it uses less digits than its factorization.
8868920169 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 371360.
The product of its (nonzero) digits is 2985984, while the sum is 57.
The square root of 8868920169 is about 94174.9444863123. The cubic root of 8868920169 is about 2069.9359878919.
The spelling of 8868920169 in words is "eight billion, eight hundred sixty-eight million, nine hundred twenty thousand, one hundred sixty-nine".
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