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211100201000 = 235313431013739
BaseRepresentation
bin1100010010011010001…
…1010111000000101000
3202011212221021022122222
43010212203113000220
511424313122413000
6240551133533212
721152155050023
oct3044643270050
9664787238588
10211100201000
1181588618537
1234ab5044208
1316ba2c2a950
14a3083d61ba
155757c07a85
hex31268d7028

211100201000 has 256 divisors, whose sum is σ = 549880531200. Its totient is φ = 75358080000.

The previous prime is 211100200991. The next prime is 211100201003. The reversal of 211100201000 is 102001112.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is not an unprimeable number, because it can be changed into a prime (211100201003) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 56457131 + ... + 56460869.

It is an arithmetic number, because the mean of its divisors is an integer number (2147970825).

Almost surely, 2211100201000 is an apocalyptic number.

211100201000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211100201000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274940265600).

211100201000 is an abundant number, since it is smaller than the sum of its proper divisors (338780330200).

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

211100201000 is a wasteful number, since it uses less digits than its factorization.

211100201000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3917 (or 3903 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 211100201000 its reverse (102001112), we get a palindrome (211202202112).

The spelling of 211100201000 in words is "two hundred eleven billion, one hundred million, two hundred one thousand".