Base | Representation |
---|---|
bin | 101111110001100001001000… |
… | …001011100100010010110000 |
3 | 1000112221102020121212002211121 |
4 | 233301201020023210102300 |
5 | 210014424322321041422 |
6 | 2022511355503552024 |
7 | 62154006503604235 |
oct | 5761411013442260 |
9 | 1015842217762747 |
10 | 210111011112112 |
11 | 60a4764120aa20 |
12 | 1b694b085bb614 |
13 | 90314ca242296 |
14 | 39c55da33778c |
15 | 1945709c538c7 |
hex | bf18482e44b0 |
210111011112112 has 80 divisors (see below), whose sum is σ = 459416578805280. Its totient is φ = 92210811392000.
The previous prime is 210111011112001. The next prime is 210111011112229. The reversal of 210111011112112 is 211211110111012.
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, 902030862 + ... + 902263762.
It is an arithmetic number, because the mean of its divisors is an integer number (5742707235066).
Almost surely, 2210111011112112 is an apocalyptic number.
210111011112112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
210111011112112 is an abundant number, since it is smaller than the sum of its proper divisors (249305567693168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
210111011112112 is a wasteful number, since it uses less digits than its factorization.
210111011112112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 409702 (or 409696 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 16.
Adding to 210111011112112 its reverse (211211110111012), we get a palindrome (421322121223124).
The spelling of 210111011112112 in words is "two hundred ten trillion, one hundred eleven billion, eleven million, one hundred twelve thousand, one hundred twelve".
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