Base | Representation |
---|---|
bin | 1111000011100… |
… | …0010010101010 |
3 | 11101211002211112 |
4 | 3300320102222 |
5 | 112131121010 |
6 | 10133230322 |
7 | 1364503406 |
oct | 360702252 |
9 | 141732745 |
10 | 63145130 |
11 | 32709964 |
12 | 191923a2 |
13 | 1010b6a9 |
14 | 855a106 |
15 | 5824a05 |
hex | 3c384aa |
63145130 has 16 divisors (see below), whose sum is σ = 113857704. Its totient is φ = 25214400.
The previous prime is 63145079. The next prime is 63145153. The reversal of 63145130 is 3154136.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 46799281 + 16345849 = 6841^2 + 4043^2 .
It is a junction number, because it is equal to n+sod(n) for n = 63145096 and 63145105.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 980 + ... + 11280.
Almost surely, 263145130 is an apocalyptic number.
63145130 is a deficient number, since it is larger than the sum of its proper divisors (50712574).
63145130 is a wasteful number, since it uses less digits than its factorization.
63145130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10921.
The product of its (nonzero) digits is 1080, while the sum is 23.
The square root of 63145130 is about 7946.3910047266. The cubic root of 63145130 is about 398.2110317427.
Adding to 63145130 its reverse (3154136), we get a palindrome (66299266).
The spelling of 63145130 in words is "sixty-three million, one hundred forty-five thousand, one hundred thirty".
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