Base | Representation |
---|---|
bin | 1100010010000010110… |
… | …1111100010101000001 |
3 | 202011122010002001012111 |
4 | 3010200231330111001 |
5 | 11424113042441001 |
6 | 240533315455321 |
7 | 21146556026245 |
oct | 3044055742501 |
9 | 664563061174 |
10 | 211002312001 |
11 | 81538339038 |
12 | 34a882b7541 |
13 | 16b88875c70 |
14 | a2d93d4425 |
15 | 574e31d851 |
hex | 3120b7c541 |
211002312001 has 8 divisors (see below), whose sum is σ = 227238049640. Its totient is φ = 194767258752.
The previous prime is 211002311987. The next prime is 211002312011. The reversal of 211002312001 is 100213200112.
It can be written as a sum of positive squares in 4 ways, for example, as 1256631601 + 209745680400 = 35449^2 + 457980^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 211002312001 - 237 = 73563358529 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (211002312011) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 596965 + ... + 882253.
It is an arithmetic number, because the mean of its divisors is an integer number (28404756205).
Almost surely, 2211002312001 is an apocalyptic number.
It is an amenable number.
211002312001 is a deficient number, since it is larger than the sum of its proper divisors (16235737639).
211002312001 is a wasteful number, since it uses less digits than its factorization.
211002312001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 342195.
The product of its (nonzero) digits is 24, while the sum is 13.
Adding to 211002312001 its reverse (100213200112), we get a palindrome (311215512113).
The spelling of 211002312001 in words is "two hundred eleven billion, two million, three hundred twelve thousand, one".
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