Base | Representation |
---|---|
bin | 101001000111… |
… | …110111010101 |
3 | 202021200112121 |
4 | 221013313111 |
5 | 10224430432 |
6 | 1023015541 |
7 | 160425625 |
oct | 51076725 |
9 | 22250477 |
10 | 10780117 |
11 | 60a3297 |
12 | 373a5b1 |
13 | 230598a |
14 | 1608885 |
15 | e2e197 |
hex | a47dd5 |
10780117 has 2 divisors, whose sum is σ = 10780118. Its totient is φ = 10780116.
The previous prime is 10780097. The next prime is 10780127. The reversal of 10780117 is 71108701.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 7650756 + 3129361 = 2766^2 + 1769^2 .
It is a cyclic number.
It is not a de Polignac number, because 10780117 - 211 = 10778069 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 10780091 and 10780100.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10780127) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5390058 + 5390059.
It is an arithmetic number, because the mean of its divisors is an integer number (5390059).
Almost surely, 210780117 is an apocalyptic number.
It is an amenable number.
10780117 is a deficient number, since it is larger than the sum of its proper divisors (1).
10780117 is an equidigital number, since it uses as much as digits as its factorization.
10780117 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 392, while the sum is 25.
The square root of 10780117 is about 3283.3088493165. The cubic root of 10780117 is about 220.9061591858.
Adding to 10780117 its reverse (71108701), we get a palindrome (81888818).
The spelling of 10780117 in words is "ten million, seven hundred eighty thousand, one hundred seventeen".
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