Base | Representation |
---|---|
bin | 10011010110110001111… |
… | …111111001011011110100 |
3 | 11201011022010112121122201 |
4 | 103112301333321123310 |
5 | 133243102042241040 |
6 | 2455015344034244 |
7 | 165045614516512 |
oct | 23266177713364 |
9 | 4634263477581 |
10 | 1330131212020 |
11 | 473118435806 |
12 | 195956302984 |
13 | 9857a710890 |
14 | 485431cb4b2 |
15 | 248ee31ba9a |
hex | 135b1ff96f4 |
1330131212020 has 48 divisors (see below), whose sum is σ = 3008656477008. Its totient is φ = 491041520640.
The previous prime is 1330131212017. The next prime is 1330131212023. The reversal of 1330131212020 is 202121310331.
It is an interprime number because it is at equal distance from previous prime (1330131212017) and next prime (1330131212023).
It can be written as a sum of positive squares in 8 ways, for example, as 233295076 + 1329897916944 = 15274^2 + 1153212^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1330131212023) 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, 1099450 + ... + 1966990.
It is an arithmetic number, because the mean of its divisors is an integer number (62680343271).
Almost surely, 21330131212020 is an apocalyptic number.
1330131212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1330131212020 is an abundant number, since it is smaller than the sum of its proper divisors (1678525264988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1330131212020 is a wasteful number, since it uses less digits than its factorization.
1330131212020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 873460 (or 873458 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 1330131212020 its reverse (202121310331), we get a palindrome (1532252522351).
The spelling of 1330131212020 in words is "one trillion, three hundred thirty billion, one hundred thirty-one million, two hundred twelve thousand, twenty".
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