Base | Representation |
---|---|
bin | 1111010010011… |
… | …0010101000010 |
3 | 11110122122021122 |
4 | 3310212111002 |
5 | 112403321010 |
6 | 10210152242 |
7 | 1406004104 |
oct | 364462502 |
9 | 143578248 |
10 | 64120130 |
11 | 33215448 |
12 | 19582682 |
13 | 10390409 |
14 | 8731574 |
15 | 5968855 |
hex | 3d26542 |
64120130 has 8 divisors (see below), whose sum is σ = 115416252. Its totient is φ = 25648048.
The previous prime is 64120129. The next prime is 64120249. The reversal of 64120130 is 3102146.
It can be written as a sum of positive squares in 2 ways, for example, as 60730849 + 3389281 = 7793^2 + 1841^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×641201302 = 8222782142433800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 64120099 and 64120108.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3205997 + ... + 3206016.
Almost surely, 264120130 is an apocalyptic number.
64120130 is a deficient number, since it is larger than the sum of its proper divisors (51296122).
64120130 is a wasteful number, since it uses less digits than its factorization.
64120130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6412020.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 64120130 is about 8007.5046050564. The cubic root of 64120130 is about 400.2501144077.
Adding to 64120130 its reverse (3102146), we get a palindrome (67222276).
The spelling of 64120130 in words is "sixty-four million, one hundred twenty thousand, one hundred thirty".
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