Base | Representation |
---|---|
bin | 1111100110000… |
… | …00010111000010 |
3 | 100010010220102002 |
4 | 13303000113002 |
5 | 231441430310 |
6 | 20551424002 |
7 | 3145610066 |
oct | 763002702 |
9 | 303126362 |
10 | 130811330 |
11 | 67926541 |
12 | 37985002 |
13 | 21140b70 |
14 | 13531aa6 |
15 | b73dda5 |
hex | 7cc05c2 |
130811330 has 16 divisors (see below), whose sum is σ = 253572984. Its totient is φ = 48299520.
The previous prime is 130811321. The next prime is 130811357. The reversal of 130811330 is 33118031.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 115842169 + 14969161 = 10763^2 + 3869^2 .
It is a super-2 number, since 2×1308113302 = 34223208112737800, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 502991 + ... + 503250.
Almost surely, 2130811330 is an apocalyptic number.
130811330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
130811330 is a deficient number, since it is larger than the sum of its proper divisors (122761654).
130811330 is a wasteful number, since it uses less digits than its factorization.
130811330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1006261.
The product of its (nonzero) digits is 216, while the sum is 20.
The square root of 130811330 is about 11437.2780852789. The cubic root of 130811330 is about 507.6313717510.
Adding to 130811330 its reverse (33118031), we get a palindrome (163929361).
It can be divided in two parts, 130 and 811330, that multiplied together give a square (105472900 = 102702).
The spelling of 130811330 in words is "one hundred thirty million, eight hundred eleven thousand, three hundred thirty".
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