Base | Representation |
---|---|
bin | 1100010011000111000… |
… | …1100100110000000000 |
3 | 202012101001112201100000 |
4 | 3010301301210300000 |
5 | 11430204322223142 |
6 | 241021541200000 |
7 | 21156632263500 |
oct | 3046161446000 |
9 | 665331481300 |
10 | 211288476672 |
11 | 81674922869 |
12 | 34b48100000 |
13 | 16c02c3b580 |
14 | a325405a00 |
15 | 57694e814c |
hex | 3131c64c00 |
211288476672 has 1584 divisors, whose sum is σ = 837191427072. Its totient is φ = 52672757760.
The previous prime is 211288476617. The next prime is 211288476673. The reversal of 211288476672 is 276674882112.
211288476672 is a `hidden beast` number, since 21 + 1 + 2 + 88 + 476 + 6 + 72 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a nude number because it is divisible by every one of its digits.
It is not an unprimeable number, because it can be changed into a prime (211288476673) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4913685483 + ... + 4913685525.
Almost surely, 2211288476672 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 211288476672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (418595713536).
211288476672 is an abundant number, since it is smaller than the sum of its proper divisors (625902950400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211288476672 is a wasteful number, since it uses less digits than its factorization.
211288476672 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 136 (or 99 counting only the distinct ones).
The product of its digits is 3612672, while the sum is 54.
The spelling of 211288476672 in words is "two hundred eleven billion, two hundred eighty-eight million, four hundred seventy-six thousand, six hundred seventy-two".
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