Base | Representation |
---|---|
bin | 1100010101110101110… |
… | …0011011011111100000 |
3 | 202021021010011102110002 |
4 | 3011131130123133200 |
5 | 11433204402144412 |
6 | 241222352355132 |
7 | 21214036610561 |
oct | 3053534333740 |
9 | 667233142402 |
10 | 212021131232 |
11 | 81a10445aa9 |
12 | 35111545aa8 |
13 | 16cbb971c91 |
14 | a394840168 |
15 | 57ad9badc2 |
hex | 315d71b7e0 |
212021131232 has 24 divisors (see below), whose sum is σ = 423646704936. Its totient is φ = 104428317312.
The previous prime is 212021131229. The next prime is 212021131243. The reversal of 212021131232 is 232131120212.
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, 49443083 + ... + 49447370.
It is an arithmetic number, because the mean of its divisors is an integer number (17651946039).
Almost surely, 2212021131232 is an apocalyptic number.
It is an amenable number.
212021131232 is a deficient number, since it is larger than the sum of its proper divisors (211625573704).
212021131232 is an equidigital number, since it uses as much as digits as its factorization.
212021131232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 98890530 (or 98890522 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 212021131232 its reverse (232131120212), we get a palindrome (444152251444).
The spelling of 212021131232 in words is "two hundred twelve billion, twenty-one million, one hundred thirty-one thousand, two hundred thirty-two".
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