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1112121110 = 25195853269
BaseRepresentation
bin100001001001001…
…1001111100010110
32212111122121100202
41002102121330112
54234200333420
6302204340502
736362605412
oct10222317426
92774577322
101112121110
11520844061
12270544732
13149535b39
14a79b5d42
156797c575
hex42499f16

1112121110 has 16 divisors (see below), whose sum is σ = 2107177200. Its totient is φ = 421435296.

The previous prime is 1112121107. The next prime is 1112121161. The reversal of 1112121110 is 111212111.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1112121091 and 1112121100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2926445 + ... + 2926824.

It is an arithmetic number, because the mean of its divisors is an integer number (131698575).

Almost surely, 21112121110 is an apocalyptic number.

1112121110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1112121110 is a deficient number, since it is larger than the sum of its proper divisors (995056090).

1112121110 is a wasteful number, since it uses less digits than its factorization.

1112121110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5853295.

The product of its (nonzero) digits is 4, while the sum is 11.

The square root of 1112121110 is about 33348.4798754006. The cubic root of 1112121110 is about 1036.0579037467.

Adding to 1112121110 its reverse (111212111), we get a palindrome (1223333221).

The spelling of 1112121110 in words is "one billion, one hundred twelve million, one hundred twenty-one thousand, one hundred ten".

Divisors: 1 2 5 10 19 38 95 190 5853269 11706538 29266345 58532690 111212111 222424222 556060555 1112121110