Base | Representation |
---|---|
bin | 10011110100011111… |
… | …01010011010101101 |
3 | 1000110120122201221020 |
4 | 21322033222122231 |
5 | 133243030021340 |
6 | 4515514324353 |
7 | 524455552626 |
oct | 117217523255 |
9 | 30416581836 |
10 | 10640860845 |
11 | 457054127a |
12 | 208b7296b9 |
13 | 10076c1684 |
14 | 72d304a4d |
15 | 42429c9d0 |
hex | 27a3ea6ad |
10640860845 has 16 divisors (see below), whose sum is σ = 17085544512. Its totient is φ = 5655070080.
The previous prime is 10640860843. The next prime is 10640860877. The reversal of 10640860845 is 54806804601.
It is not a de Polignac number, because 10640860845 - 21 = 10640860843 is a prime.
It is a super-2 number, since 2×106408608452 (a number of 21 digits) contains 22 as substring.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 10640860797 and 10640860806.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10640860843) 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, 1249096 + ... + 1257585.
It is an arithmetic number, because the mean of its divisors is an integer number (1067846532).
Almost surely, 210640860845 is an apocalyptic number.
10640860845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
10640860845 is a deficient number, since it is larger than the sum of its proper divisors (6444683667).
10640860845 is a wasteful number, since it uses less digits than its factorization.
10640860845 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2506972.
The product of its (nonzero) digits is 184320, while the sum is 42.
The spelling of 10640860845 in words is "ten billion, six hundred forty million, eight hundred sixty thousand, eight hundred forty-five".
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