Base | Representation |
---|---|
bin | 1001001100001100011100… |
… | …11001100110001000000000 |
3 | 2122120002002022001012100221 |
4 | 10212012032121212020000 |
5 | 10122111002302431422 |
6 | 110552235320152424 |
7 | 4154065564165660 |
oct | 446061631461000 |
9 | 78502068035327 |
10 | 20210210202112 |
11 | 64921138641a7 |
12 | 2324a5a608714 |
13 | b37a78a0a208 |
14 | 4dc27237c1a0 |
15 | 250aa988a3c7 |
hex | 12618e666200 |
20210210202112 has 160 divisors (see below), whose sum is σ = 46639360639872. Its totient is φ = 8569662603264.
The previous prime is 20210210202043. The next prime is 20210210202137. The reversal of 20210210202112 is 21120201201202.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (16).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1572405478 + ... + 1572418330.
Almost surely, 220210210202112 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20210210202112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23319680319936).
20210210202112 is an abundant number, since it is smaller than the sum of its proper divisors (26429150437760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20210210202112 is an equidigital number, since it uses as much as digits as its factorization.
20210210202112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17498 (or 17482 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 20210210202112 its reverse (21120201201202), we get a palindrome (41330411403314).
The spelling of 20210210202112 in words is "twenty trillion, two hundred ten billion, two hundred ten million, two hundred two thousand, one hundred twelve".
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