Search a number
-
+
211011144101 = 257161820541
BaseRepresentation
bin1100010010000100111…
…1101000100110100101
3202011122201200202120022
43010201033220212211
511424122323102401
6240534233044525
721150024062642
oct3044117504645
9664581622508
10211011144101
118154232079a
1234a8b256745
1316b8a649064
14a2da652dc9
15574eeb571b
hex31213e89a5

211011144101 has 4 divisors (see below), whose sum is σ = 211012221804. Its totient is φ = 211010066400.

The previous prime is 211011144089. The next prime is 211011144107. The reversal of 211011144101 is 101441110112.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 17226300001 + 193784844100 = 131249^2 + 440210^2 .

It is a cyclic number.

It is not a de Polignac number, because 211011144101 - 26 = 211011144037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211011144101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211011144107) 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, 153110 + ... + 667431.

It is an arithmetic number, because the mean of its divisors is an integer number (52753055451).

Almost surely, 2211011144101 is an apocalyptic number.

It is an amenable number.

211011144101 is a deficient number, since it is larger than the sum of its proper divisors (1077703).

211011144101 is an equidigital number, since it uses as much as digits as its factorization.

211011144101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077702.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 211011144101 its reverse (101441110112), we get a palindrome (312452254213).

The spelling of 211011144101 in words is "two hundred eleven billion, eleven million, one hundred forty-four thousand, one hundred one".

Divisors: 1 257161 820541 211011144101