Base | Representation |
---|---|
bin | 1100010010011010011… |
… | …0011100110100001000 |
3 | 202011212222210111001200 |
4 | 3010212212130310020 |
5 | 11424313324324313 |
6 | 240551203144200 |
7 | 21152164663113 |
oct | 3044646346410 |
9 | 664788714050 |
10 | 211101011208 |
11 | 8158902122a |
12 | 34ab5375060 |
13 | 16ba3152669 |
14 | a30856757a |
15 | 5757d17b73 |
hex | 312699cd08 |
211101011208 has 48 divisors (see below), whose sum is σ = 571958290800. Its totient is φ = 70339140960.
The previous prime is 211101011201. The next prime is 211101011213. The reversal of 211101011208 is 802110101112.
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 (211101011201) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 396978 + ... + 761441.
It is an arithmetic number, because the mean of its divisors is an integer number (11915797725).
Almost surely, 2211101011208 is an apocalyptic number.
It is an amenable number.
211101011208 is an abundant number, since it is smaller than the sum of its proper divisors (360857279592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211101011208 is a wasteful number, since it uses less digits than its factorization.
211101011208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1160962 (or 1160955 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 18.
The spelling of 211101011208 in words is "two hundred eleven billion, one hundred one million, eleven thousand, two hundred eight".
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