Base | Representation |
---|---|
bin | 10010100001010… |
… | …101110110010010 |
3 | 210122200201121100 |
4 | 102201111312102 |
5 | 1114021331010 |
6 | 50500005230 |
7 | 10462106514 |
oct | 2241256622 |
9 | 718621540 |
10 | 310730130 |
11 | 14a443167 |
12 | 88090816 |
13 | 4c4b6aa9 |
14 | 2d3a7bb4 |
15 | 1c42d2c0 |
hex | 12855d92 |
310730130 has 24 divisors (see below), whose sum is σ = 807898572. Its totient is φ = 82861344.
The previous prime is 310730089. The next prime is 310730141. The reversal of 310730130 is 31037013.
310730130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 306845289 + 3884841 = 17517^2 + 1971^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1726189 + ... + 1726368.
Almost surely, 2310730130 is an apocalyptic number.
310730130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
310730130 is an abundant number, since it is smaller than the sum of its proper divisors (497168442).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
310730130 is a wasteful number, since it uses less digits than its factorization.
310730130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3452570 (or 3452567 counting only the distinct ones).
The product of its (nonzero) digits is 189, while the sum is 18.
The square root of 310730130 is about 17627.5389660610. The cubic root of 310730130 is about 677.3208669349.
Adding to 310730130 its reverse (31037013), we get a palindrome (341767143).
The spelling of 310730130 in words is "three hundred ten million, seven hundred thirty thousand, one hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •