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211011201010000 = 245421101120101
BaseRepresentation
bin101111111110100111011111…
…101011100000100101010000
31000200010110210101222000000001
4233332213133223200211100
5210124201414424310000
62024441112453335344
762306025161516026
oct5776473753404520
91020113711860001
10211011201010000
1161264390a12916
121b7bb474337554
13909836a1594b1
143a16dd4a32716
15195dd43c9146a
hexbfe9dfae0950

211011201010000 has 50 divisors (see below), whose sum is σ = 510879218789522. Its totient is φ = 84404480400000.

The previous prime is 211011201009989. The next prime is 211011201010007. The reversal of 211011201010000 is 10102110112.

It can be written as a sum of positive squares in 5 ways, for example, as 45155335731984 + 165855865278016 = 6719772^2 + 12878504^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211011201010007) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10550550051 + ... + 10550570050.

Almost surely, 2211011201010000 is an apocalyptic number.

211011201010000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211011201010000 is an abundant number, since it is smaller than the sum of its proper divisors (299868017779522).

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

211011201010000 is an equidigital number, since it uses as much as digits as its factorization.

211011201010000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21101120129 (or 21101120108 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 211011201010000 its reverse (10102110112), we get a palindrome (211021303120112).

The spelling of 211011201010000 in words is "two hundred eleven trillion, eleven billion, two hundred one million, ten thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 5000 10000 21101120101 42202240202 84404480404 105505600505 168808960808 211011201010 337617921616 422022402020 527528002525 844044804040 1055056005050 1688089608080 2110112010100 2637640012625 4220224020200 5275280025250 8440448040400 10550560050500 13188200063125 21101120101000 26376400126250 42202240202000 52752800252500 105505600505000 211011201010000