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111110010989 = 2347102784469
BaseRepresentation
bin110011101111010101…
…1000011100001101101
3101121210110002101012012
41213132223003201231
53310023130322424
6123013201051005
711012260340045
oct1473653034155
9347713071165
10111110010989
114313778286a
121964a626a65
13a629474443
1455407aa725
152d547a9b0e
hex19deac386d

111110010989 has 8 divisors (see below), whose sum is σ = 118407709440. Its totient is φ = 104017881616.

The previous prime is 111110010959. The next prime is 111110011003. The reversal of 111110010989 is 989010011111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111110010989 - 28 = 111110010733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111110010959) 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, 51391154 + ... + 51393315.

It is an arithmetic number, because the mean of its divisors is an integer number (14800963680).

Almost surely, 2111110010989 is an apocalyptic number.

It is an amenable number.

111110010989 is a deficient number, since it is larger than the sum of its proper divisors (7297698451).

111110010989 is a wasteful number, since it uses less digits than its factorization.

111110010989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102784539.

The product of its (nonzero) digits is 648, while the sum is 32.

The spelling of 111110010989 in words is "one hundred eleven billion, one hundred ten million, ten thousand, nine hundred eighty-nine".

Divisors: 1 23 47 1081 102784469 2364042787 4830870043 111110010989