Base | Representation |
---|---|
bin | 1100010010000100101… |
… | …1101010001101010101 |
3 | 202011122122201211012201 |
4 | 3010201023222031111 |
5 | 11424122041231401 |
6 | 240534154444501 |
7 | 21150012163021 |
oct | 3044113521525 |
9 | 664578654181 |
10 | 211010102101 |
11 | 81541779937 |
12 | 34a8aa33731 |
13 | 16b8a3729a6 |
14 | a2da461381 |
15 | 574ed5bb01 |
hex | 31212ea355 |
211010102101 has 4 divisors (see below), whose sum is σ = 211011249600. Its totient is φ = 211008954604.
The previous prime is 211010102081. The next prime is 211010102113. The reversal of 211010102101 is 101201010112.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 211010102101 - 235 = 176650363733 is a prime.
It is a super-2 number, since 2×2110101021012 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (211010100101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228781 + ... + 688738.
It is an arithmetic number, because the mean of its divisors is an integer number (52752812400).
Almost surely, 2211010102101 is an apocalyptic number.
It is an amenable number.
211010102101 is a deficient number, since it is larger than the sum of its proper divisors (1147499).
211010102101 is an equidigital number, since it uses as much as digits as its factorization.
211010102101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1147498.
The product of its (nonzero) digits is 4, while the sum is 10.
Adding to 211010102101 its reverse (101201010112), we get a palindrome (312211112213).
The spelling of 211010102101 in words is "two hundred eleven billion, ten million, one hundred two thousand, one hundred one".
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