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11101212010 = 257197805019
BaseRepresentation
bin10100101011010111…
…10000110101101010
31001122122220000000101
422111223300311222
5140213402241020
65033321300014
7542045513410
oct122553606552
931578800011
1011101212010
114787387989
12219993460a
13107bba3a05
147744d92b0
1544e8d300a
hex295af0d6a

11101212010 has 32 divisors (see below), whose sum is σ = 22952730240. Its totient is φ = 3786804672.

The previous prime is 11101211987. The next prime is 11101212019. The reversal of 11101212010 is 1021210111.

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 (11101212019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388720 + ... + 416299.

It is an arithmetic number, because the mean of its divisors is an integer number (717272820).

Almost surely, 211101212010 is an apocalyptic number.

11101212010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11101212010 is an abundant number, since it is smaller than the sum of its proper divisors (11851518230).

11101212010 is a wasteful number, since it uses less digits than its factorization.

11101212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805230.

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

Adding to 11101212010 its reverse (1021210111), we get a palindrome (12122422121).

The spelling of 11101212010 in words is "eleven billion, one hundred one million, two hundred twelve thousand, ten".

Divisors: 1 2 5 7 10 14 35 70 197 394 985 1379 1970 2758 6895 13790 805019 1610038 4025095 5635133 8050190 11270266 28175665 56351330 158588743 317177486 792943715 1110121201 1585887430 2220242402 5550606005 11101212010