Base | Representation |
---|---|
bin | 1111100001000… |
… | …10111101111010 |
3 | 100001221011002001 |
4 | 13300202331322 |
5 | 231310313100 |
6 | 20525531214 |
7 | 3140253415 |
oct | 760427572 |
9 | 301834061 |
10 | 130166650 |
11 | 67526149 |
12 | 37713b0a |
13 | 20c765b3 |
14 | 13404b7c |
15 | b662d6a |
hex | 7c22f7a |
130166650 has 12 divisors (see below), whose sum is σ = 242110062. Its totient is φ = 52066640.
The previous prime is 130166627. The next prime is 130166651. The reversal of 130166650 is 56661031.
It can be written as a sum of positive squares in 3 ways, for example, as 120187369 + 9979281 = 10963^2 + 3159^2 .
It is not an unprimeable number, because it can be changed into a prime (130166651) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1301617 + ... + 1301716.
Almost surely, 2130166650 is an apocalyptic number.
130166650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
130166650 is a deficient number, since it is larger than the sum of its proper divisors (111943412).
130166650 is a wasteful number, since it uses less digits than its factorization.
130166650 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2603345 (or 2603340 counting only the distinct ones).
The product of its (nonzero) digits is 3240, while the sum is 28.
The square root of 130166650 is about 11409.0599963362. The cubic root of 130166650 is about 506.7960748820.
It can be divided in two parts, 130166 and 650, that added together give a triangular number (130816 = T511).
The spelling of 130166650 in words is "one hundred thirty million, one hundred sixty-six thousand, six hundred fifty".
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