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1112102012 = 22739717929
BaseRepresentation
bin100001001001001…
…0101010001111100
32212111121122011102
41002102111101330
54234144231022
6302204112232
736362465630
oct10222252174
92774548142
101112102012
1152083077a
12270535678
1314952a238
14a79acdc0
1567976a92
hex4249547c

1112102012 has 12 divisors (see below), whose sum is σ = 2224204080. Its totient is φ = 476615136.

The previous prime is 1112102009. The next prime is 1112102083. The reversal of 1112102012 is 2102012111.

1112102012 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1112101984 and 1112102002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19858937 + ... + 19858992.

It is an arithmetic number, because the mean of its divisors is an integer number (185350340).

Almost surely, 21112102012 is an apocalyptic number.

It is an amenable number.

1112102012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1112102012 is a wasteful number, since it uses less digits than its factorization.

1112102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39717940 (or 39717938 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1112102012 is about 33348.1935342831. The cubic root of 1112102012 is about 1036.0519731135.

Adding to 1112102012 its reverse (2102012111), we get a palindrome (3214114123).

It can be divided in two parts, 111 and 2102012, that multiplied together give a palindrome (233323332).

The spelling of 1112102012 in words is "one billion, one hundred twelve million, one hundred two thousand, twelve".

Divisors: 1 2 4 7 14 28 39717929 79435858 158871716 278025503 556051006 1112102012