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11102020210 = 252040754403
BaseRepresentation
bin10100101011011101…
…10110001001110010
31001122201102001122201
422111232312021302
5140214104121320
65033350453414
7542055420601
oct122556661162
931581361581
1011102020210
11478788a116
12219a06426a
13107c0c7838
14774669a38
1544e9e270a
hex295bb6272

11102020210 has 16 divisors (see below), whose sum is σ = 19984982976. Its totient is φ = 4440508848.

The previous prime is 11102020183. The next prime is 11102020217. The reversal of 11102020210 is 1202020111.

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

It is not an unprimeable number, because it can be changed into a prime (11102020217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176869 + ... + 231271.

It is an arithmetic number, because the mean of its divisors is an integer number (1249061436).

Almost surely, 211102020210 is an apocalyptic number.

11102020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11102020210 is a deficient number, since it is larger than the sum of its proper divisors (8882962766).

11102020210 is a wasteful number, since it uses less digits than its factorization.

11102020210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74817.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11102020210 its reverse (1202020111), we get a palindrome (12304040321).

Subtracting from 11102020210 its reverse (1202020111), we obtain a palindrome (9900000099).

The spelling of 11102020210 in words is "eleven billion, one hundred two million, twenty thousand, two hundred ten".

Divisors: 1 2 5 10 20407 40814 54403 102035 108806 204070 272015 544030 1110202021 2220404042 5551010105 11102020210