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211011202121052 = 22317584266843421
BaseRepresentation
bin101111111110100111011111…
…101111101111110101011100
31000200010110210111001110002010
4233332213133233233311130
5210124201420220333202
62024441112533231220
762306025204124164
oct5776473757576534
91020113714043063
10211011202121052
1161264391601643
121b7bb474792510
13909836a458118
143a16dd4c415a4
15195dd43e1076c
hexbfe9dfbefd5c

211011202121052 has 12 divisors (see below), whose sum is σ = 492359471615816. Its totient is φ = 70337067373680.

The previous prime is 211011202121051. The next prime is 211011202121149. The reversal of 211011202121052 is 250121202110112.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211011202121051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8792133421699 + ... + 8792133421722.

Almost surely, 2211011202121052 is an apocalyptic number.

It is an amenable number.

211011202121052 is an abundant number, since it is smaller than the sum of its proper divisors (281348269494764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211011202121052 is a wasteful number, since it uses less digits than its factorization.

211011202121052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17584266843428 (or 17584266843426 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 21.

Adding to 211011202121052 its reverse (250121202110112), we get a palindrome (461132404231164).

The spelling of 211011202121052 in words is "two hundred eleven trillion, eleven billion, two hundred two million, one hundred twenty-one thousand, fifty-two".

Divisors: 1 2 3 4 6 12 17584266843421 35168533686842 52752800530263 70337067373684 105505601060526 211011202121052