Base | Representation |
---|---|
bin | 11111000000111011011… |
… | …000011001111000010100 |
3 | 21112202020222000120020222 |
4 | 133000323120121320110 |
5 | 234404400302011040 |
6 | 4311034500213512 |
7 | 306660413235155 |
oct | 37007330317024 |
9 | 7482228016228 |
10 | 2131300032020 |
11 | 75197433a245 |
12 | 2a508809a298 |
13 | 125c99885603 |
14 | 7522688792c |
15 | 3a69003abb5 |
hex | 1f03b619e14 |
2131300032020 has 12 divisors (see below), whose sum is σ = 4475730067284. Its totient is φ = 852520012800.
The previous prime is 2131300032011. The next prime is 2131300032031. The reversal of 2131300032020 is 202300031312.
It can be written as a sum of positive squares in 2 ways, for example, as 1549930381444 + 581369650576 = 1244962^2 + 762476^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 2131300032020.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53282500781 + ... + 53282500820.
It is an arithmetic number, because the mean of its divisors is an integer number (372977505607).
Almost surely, 22131300032020 is an apocalyptic number.
2131300032020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2131300032020 is an abundant number, since it is smaller than the sum of its proper divisors (2344430035264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2131300032020 is a wasteful number, since it uses less digits than its factorization.
2131300032020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106565001610 (or 106565001608 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 2131300032020 its reverse (202300031312), we get a palindrome (2333600063332).
The spelling of 2131300032020 in words is "two trillion, one hundred thirty-one billion, three hundred million, thirty-two thousand, twenty".
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