Base | Representation |
---|---|
bin | 100111000111000… |
… | …0100001101110010 |
3 | 10101110100021001220 |
4 | 1032032010031302 |
5 | 10141422411010 |
6 | 334115205510 |
7 | 44343311025 |
oct | 11616041562 |
9 | 3343307056 |
10 | 1312310130 |
11 | 61384602a |
12 | 3075a6896 |
13 | 17bb58191 |
14 | c64071bc |
15 | 7a322970 |
hex | 4e384372 |
1312310130 has 32 divisors (see below), whose sum is σ = 3152616768. Its totient is φ = 349608000.
The previous prime is 1312310119. The next prime is 1312310137. The reversal of 1312310130 is 310132131.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is not an unprimeable number, because it can be changed into a prime (1312310137) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10720 + ... + 52340.
It is an arithmetic number, because the mean of its divisors is an integer number (98519274).
Almost surely, 21312310130 is an apocalyptic number.
1312310130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1312310130 is an abundant number, since it is smaller than the sum of its proper divisors (1840306638).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1312310130 is a wasteful number, since it uses less digits than its factorization.
1312310130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42682.
The product of its (nonzero) digits is 54, while the sum is 15.
The square root of 1312310130 is about 36225.8213157411. The cubic root of 1312310130 is about 1094.8269862799.
Adding to 1312310130 its reverse (310132131), we get a palindrome (1622442261).
The spelling of 1312310130 in words is "one billion, three hundred twelve million, three hundred ten thousand, one hundred thirty".
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