Base | Representation |
---|---|
bin | 101010100111111… |
… | …1001100001011010 |
3 | 10200200020021021100 |
4 | 1111033321201122 |
5 | 10412114344010 |
6 | 353530452230 |
7 | 50304523026 |
oct | 12517714132 |
9 | 3620207240 |
10 | 1430231130 |
11 | 6743678a9 |
12 | 33ab94076 |
13 | 19a404a13 |
14 | d7d41386 |
15 | 858672c0 |
hex | 553f985a |
1430231130 has 48 divisors (see below), whose sum is σ = 3726988200. Its totient is φ = 380534784.
The previous prime is 1430231107. The next prime is 1430231141. The reversal of 1430231130 is 311320341.
1430231130 is a `hidden beast` number, since 1 + 430 + 231 + 1 + 3 + 0 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 1426346289 + 3884841 = 37767^2 + 1971^2 .
It is a super-2 number, since 2×14302311302 = 4091122170442153800, which contains 22 as substring.
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 (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22714 + ... + 58106.
Almost surely, 21430231130 is an apocalyptic number.
1430231130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1430231130 is an abundant number, since it is smaller than the sum of its proper divisors (2296757070).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1430231130 is a wasteful number, since it uses less digits than its factorization.
1430231130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35855 (or 35852 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 1430231130 is about 37818.3967137688. The cubic root of 1430231130 is about 1126.6838665294.
Adding to 1430231130 its reverse (311320341), we get a palindrome (1741551471).
The spelling of 1430231130 in words is "one billion, four hundred thirty million, two hundred thirty-one thousand, one hundred thirty".
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