Base | Representation |
---|---|
bin | 10000101100111100… |
… | …00110111001111001 |
3 | 212010220212000221100 |
4 | 20112132012321321 |
5 | 121331013112240 |
6 | 4041440202013 |
7 | 435131420145 |
oct | 102636067171 |
9 | 25126760840 |
10 | 8966925945 |
11 | 38916611aa |
12 | 18a3009309 |
13 | acb970053 |
14 | 610c86225 |
15 | 377346e30 |
hex | 216786e79 |
8966925945 has 24 divisors (see below), whose sum is σ = 15696567432. Its totient is φ = 4735008000.
The previous prime is 8966925943. The next prime is 8966925977. The reversal of 8966925945 is 5495296698.
It can be written as a sum of positive squares in 4 ways, for example, as 5418579321 + 3548346624 = 73611^2 + 59568^2 .
It is not a de Polignac number, because 8966925945 - 21 = 8966925943 is a prime.
It is a super-2 number, since 2×89669259452 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (8966925941) 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, 981916 + ... + 991005.
It is an arithmetic number, because the mean of its divisors is an integer number (654023643).
Almost surely, 28966925945 is an apocalyptic number.
It is an amenable number.
8966925945 is a deficient number, since it is larger than the sum of its proper divisors (6729641487).
8966925945 is a wasteful number, since it uses less digits than its factorization.
8966925945 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1973033 (or 1973030 counting only the distinct ones).
The product of its digits is 41990400, while the sum is 63.
The square root of 8966925945 is about 94693.8537868219. The cubic root of 8966925945 is about 2077.5326655362.
The spelling of 8966925945 in words is "eight billion, nine hundred sixty-six million, nine hundred twenty-five thousand, nine hundred forty-five".
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