Base | Representation |
---|---|
bin | 1100010011011110101… |
… | …1011011000111100100 |
3 | 202012121221221000201211 |
4 | 3010313223123013210 |
5 | 11430410201341102 |
6 | 241035440201204 |
7 | 21162244224040 |
oct | 3046753330744 |
9 | 665557830654 |
10 | 211387527652 |
11 | 81715826284 |
12 | 34b75309204 |
13 | 16c1a60c112 |
14 | a33462b020 |
15 | 57730617d7 |
hex | 3137adb1e4 |
211387527652 has 48 divisors (see below), whose sum is σ = 425246596992. Its totient is φ = 90065664000.
The previous prime is 211387527649. The next prime is 211387527653. The reversal of 211387527652 is 256725783112.
It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 211387527596 and 211387527605.
It is not an unprimeable number, because it can be changed into a prime (211387527653) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8704527 + ... + 8728777.
It is an arithmetic number, because the mean of its divisors is an integer number (8859304104).
Almost surely, 2211387527652 is an apocalyptic number.
It is an amenable number.
211387527652 is an abundant number, since it is smaller than the sum of its proper divisors (213859069340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211387527652 is a wasteful number, since it uses less digits than its factorization.
211387527652 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26068 (or 26066 counting only the distinct ones).
The product of its digits is 1411200, while the sum is 49.
The spelling of 211387527652 in words is "two hundred eleven billion, three hundred eighty-seven million, five hundred twenty-seven thousand, six hundred fifty-two".
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