Base | Representation |
---|---|
bin | 11111000000111011011… |
… | …001001010101101010100 |
3 | 21112202020222101201121101 |
4 | 133000323121022231110 |
5 | 234404400324411040 |
6 | 4311034504355444 |
7 | 306660415030231 |
oct | 37007331125524 |
9 | 7482228351541 |
10 | 2131300232020 |
11 | 751974466533 |
12 | 2a5088175b84 |
13 | 125c9992565b |
14 | 752268da788 |
15 | 3a69007a09a |
hex | 1f03b64ab54 |
2131300232020 has 48 divisors (see below), whose sum is σ = 4519556129088. Its totient is φ = 844200231680.
The previous prime is 2131300231897. The next prime is 2131300232027. The reversal of 2131300232020 is 202320031312.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2131300232027) 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, 352584 + ... + 2094496.
It is an arithmetic number, because the mean of its divisors is an integer number (94157419356).
Almost surely, 22131300232020 is an apocalyptic number.
2131300232020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2131300232020 is an abundant number, since it is smaller than the sum of its proper divisors (2388255897068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2131300232020 is a wasteful number, since it uses less digits than its factorization.
2131300232020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1742520 (or 1742518 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 2131300232020 its reverse (202320031312), we get a palindrome (2333620263332).
The spelling of 2131300232020 in words is "two trillion, one hundred thirty-one billion, three hundred million, two hundred thirty-two thousand, twenty".
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