Base | Representation |
---|---|
bin | 1011101000001011… |
… | …0100001010100010 |
3 | 22001112021110211112 |
4 | 2322002310022202 |
5 | 22343023101010 |
6 | 1233420143322 |
7 | 140230420244 |
oct | 27202641242 |
9 | 8045243745 |
10 | 3121300130 |
11 | 136198aa93 |
12 | 731397b42 |
13 | 3a9875170 |
14 | 218780094 |
15 | 134054a05 |
hex | ba0b42a2 |
3121300130 has 64 divisors (see below), whose sum is σ = 6426187488. Its totient is φ = 1081344000.
The previous prime is 3121300099. The next prime is 3121300157. The reversal of 3121300130 is 310031213.
It can be written as a sum of positive squares in 16 ways, for example, as 13126129 + 3108174001 = 3623^2 + 55751^2 .
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 31 ways as a sum of consecutive naturals, for example, 778130 + ... + 782130.
Almost surely, 23121300130 is an apocalyptic number.
3121300130 is an abundant number, since it is smaller than the sum of its proper divisors (3304887358).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3121300130 is a wasteful number, since it uses less digits than its factorization.
3121300130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4391.
The product of its (nonzero) digits is 54, while the sum is 14.
The square root of 3121300130 is about 55868.5969933021. The cubic root of 3121300130 is about 1461.4316553536.
Adding to 3121300130 its reverse (310031213), we get a palindrome (3431331343).
The spelling of 3121300130 in words is "three billion, one hundred twenty-one million, three hundred thousand, one hundred thirty".
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