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211210101100 = 22522112101011
BaseRepresentation
bin1100010010110100011…
…0100110000101101100
3202012011121001211021001
43010231012212011230
511430024241213400
6241010101250044
721154661144335
oct3045506460554
9665147054231
10211210101100
1181634661069
1234b25a03924
1316bbc9296ab
14a318c4328c
1557626b5a6a
hex312d1a616c

211210101100 has 18 divisors (see below), whose sum is σ = 458325919604. Its totient is φ = 84484040400.

The previous prime is 211210101097. The next prime is 211210101119. The reversal of 211210101100 is 1101012112.

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

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1056050406 + ... + 1056050605.

Almost surely, 2211210101100 is an apocalyptic number.

211210101100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211210101100 is an abundant number, since it is smaller than the sum of its proper divisors (247115818504).

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

211210101100 is a wasteful number, since it uses less digits than its factorization.

211210101100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112101025 (or 2112101018 counting only the distinct ones).

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

Adding to 211210101100 its reverse (1101012112), we get a palindrome (212311113212).

The spelling of 211210101100 in words is "two hundred eleven billion, two hundred ten million, one hundred one thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 2112101011 4224202022 8448404044 10560505055 21121010110 42242020220 52802525275 105605050550 211210101100