Base | Representation |
---|---|
bin | 11111000000000000011… |
… | …011111110100111111100 |
3 | 21112122201001012021200110 |
4 | 133000000123332213330 |
5 | 234400334121110322 |
6 | 4310352412230020 |
7 | 306624044456022 |
oct | 37000033764774 |
9 | 7478631167613 |
10 | 2130311113212 |
11 | 7515070a4977 |
12 | 2a4a50a6b310 |
13 | 125b6ca28159 |
14 | 751713c2712 |
15 | 3a6332e7c0c |
hex | 1f0006fe9fc |
2130311113212 has 24 divisors (see below), whose sum is σ = 4995958047696. Its totient is φ = 706499116288.
The previous prime is 2130311113193. The next prime is 2130311113213. The reversal of 2130311113212 is 2123111130312.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2130311113213) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450571053 + ... + 450575780.
It is an arithmetic number, because the mean of its divisors is an integer number (208164918654).
Almost surely, 22130311113212 is an apocalyptic number.
It is an amenable number.
2130311113212 is an abundant number, since it is smaller than the sum of its proper divisors (2865646934484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2130311113212 is a wasteful number, since it uses less digits than its factorization.
2130311113212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 901147037 (or 901147035 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 21.
Adding to 2130311113212 its reverse (2123111130312), we get a palindrome (4253422243524).
The spelling of 2130311113212 in words is "two trillion, one hundred thirty billion, three hundred eleven million, one hundred thirteen thousand, two hundred twelve".
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