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18127456112 = 241269789231
BaseRepresentation
bin10000111000011110…
…110000011101110000
31201210100000011221102
4100320132300131300
5244111112043422
612154434143532
71211133556163
oct207036603560
951710004842
1018127456112
117762527097
12361aa21ba8
13192b7681bc
14c3d727ada
15711683192
hex4387b0770

18127456112 has 20 divisors (see below), whose sum is σ = 35125106016. Its totient is φ = 9062912640.

The previous prime is 18127456111. The next prime is 18127456117. The reversal of 18127456112 is 21165472181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18127456111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158537 + ... + 247767.

Almost surely, 218127456112 is an apocalyptic number.

It is an amenable number.

18127456112 is a deficient number, since it is larger than the sum of its proper divisors (16997649904).

18127456112 is a wasteful number, since it uses less digits than its factorization.

18127456112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101936 (or 101930 counting only the distinct ones).

The product of its digits is 26880, while the sum is 38.

The spelling of 18127456112 in words is "eighteen billion, one hundred twenty-seven million, four hundred fifty-six thousand, one hundred twelve".

Divisors: 1 2 4 8 16 12697 25394 50788 89231 101576 178462 203152 356924 713848 1427696 1132966007 2265932014 4531864028 9063728056 18127456112