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211132121000 = 2353211132121
BaseRepresentation
bin1100010010100001110…
…1000111111110101000
3202011222011100000200012
43010220131013332220
511424344310333000
6240554234031052
721153023263163
oct3045035077650
9664864300605
10211132121000
11815a463a4a9
1234b03878488
1316ba9725818
14a30c744ada
15575a910735
hex3128747fa8

211132121000 has 32 divisors (see below), whose sum is σ = 494049165480. Its totient is φ = 84452848000.

The previous prime is 211132120987. The next prime is 211132121003. The reversal of 211132121000 is 121231112.

211132121000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 76462204324 + 134669916676 = 276518^2 + 366974^2 .

It is not an unprimeable number, because it can be changed into a prime (211132121003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105565061 + ... + 105567060.

Almost surely, 2211132121000 is an apocalyptic number.

211132121000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211132121000 is an abundant number, since it is smaller than the sum of its proper divisors (282917044480).

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

211132121000 is a wasteful number, since it uses less digits than its factorization.

211132121000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211132142 (or 211132128 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 211132121000 its reverse (121231112), we get a palindrome (211253352112).

The spelling of 211132121000 in words is "two hundred eleven billion, one hundred thirty-two million, one hundred twenty-one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 211132121 422264242 844528484 1055660605 1689056968 2111321210 4222642420 5278303025 8445284840 10556606050 21113212100 26391515125 42226424200 52783030250 105566060500 211132121000