Base | Representation |
---|---|
bin | 1111010011110… |
… | …0110010100010 |
3 | 11110211022111001 |
4 | 3310330302202 |
5 | 112414242010 |
6 | 10212142214 |
7 | 1406536243 |
oct | 364746242 |
9 | 143738431 |
10 | 64212130 |
11 | 33278584 |
12 | 1960796a |
13 | 103c3258 |
14 | 8756cca |
15 | 5985c3a |
hex | 3d3cca2 |
64212130 has 32 divisors (see below), whose sum is σ = 118091520. Its totient is φ = 25132800.
The previous prime is 64212121. The next prime is 64212143. The reversal of 64212130 is 3121246.
It is a junction number, because it is equal to n+sod(n) for n = 64212098 and 64212107.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159930 + ... + 160330.
It is an arithmetic number, because the mean of its divisors is an integer number (3690360).
Almost surely, 264212130 is an apocalyptic number.
64212130 is a deficient number, since it is larger than the sum of its proper divisors (53879390).
64212130 is a wasteful number, since it uses less digits than its factorization.
64212130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 714.
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 64212130 is about 8013.2471570519. The cubic root of 64212130 is about 400.4414501252.
Adding to 64212130 its reverse (3121246), we get a palindrome (67333376).
The spelling of 64212130 in words is "sixty-four million, two hundred twelve thousand, one hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •