Base | Representation |
---|---|
bin | 101111110010111110010001… |
… | …001111110010001011000000 |
3 | 1000120021222101111111001222000 |
4 | 233302332101033302023000 |
5 | 210023044132411431422 |
6 | 2023025335431144000 |
7 | 62164150032415530 |
oct | 5762762117621300 |
9 | 1016258344431860 |
10 | 210211021202112 |
11 | 60a85aa2307867 |
12 | 1b6b0379815000 |
13 | 903aa77b75528 |
14 | 39ca3a68634c0 |
15 | 194810ecd2cac |
hex | bf2f913f22c0 |
210211021202112 has 224 divisors, whose sum is σ = 706871867635200. Its totient is φ = 60008645200896.
The previous prime is 210211021202111. The next prime is 210211021202153. The reversal of 210211021202112 is 211202120112012.
210211021202112 is a `hidden beast` number, since 210 + 21 + 10 + 212 + 0 + 211 + 2 = 666.
It is a tau number, because it is divible by the number of its divisors (224).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (210211021202111) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6596214 + ... + 21539082.
Almost surely, 2210211021202112 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 210211021202112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353435933817600).
210211021202112 is an abundant number, since it is smaller than the sum of its proper divisors (496660846433088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
210211021202112 is a wasteful number, since it uses less digits than its factorization.
210211021202112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14944060 (or 14944044 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 18.
Adding to 210211021202112 its reverse (211202120112012), we get a palindrome (421413141314124).
The spelling of 210211021202112 in words is "two hundred ten trillion, two hundred eleven billion, twenty-one million, two hundred two thousand, one hundred twelve".
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