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118155455754 = 237972298993
BaseRepresentation
bin110111000001010011…
…1010010110100001010
3102021222110100001110220
41232002213102310022
53413440244041004
6130140241250510
711352000542250
oct1560247226412
9367873301426
10118155455754
1146122746796
121aa96033a36
13b1acccc27b
145a0c3965d0
15311809ddd9
hex1b829d2d0a

118155455754 has 48 divisors (see below), whose sum is σ = 272883451968. Its totient is φ = 33410562048.

The previous prime is 118155455729. The next prime is 118155455777. The reversal of 118155455754 is 457554551811.

It is a junction number, because it is equal to n+sod(n) for n = 118155455697 and 118155455706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 245682 + ... + 544674.

It is an arithmetic number, because the mean of its divisors is an integer number (5685071916).

Almost surely, 2118155455754 is an apocalyptic number.

118155455754 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 118155455754, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136441725984).

118155455754 is an abundant number, since it is smaller than the sum of its proper divisors (154727996214).

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

118155455754 is an equidigital number, since it uses as much as digits as its factorization.

118155455754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299199 (or 299102 counting only the distinct ones).

The product of its digits is 2800000, while the sum is 51.

The spelling of 118155455754 in words is "one hundred eighteen billion, one hundred fifty-five million, four hundred fifty-five thousand, seven hundred fifty-four".

Divisors: 1 2 3 6 7 14 21 42 97 194 291 582 679 1358 2037 4074 9409 18818 28227 56454 65863 131726 197589 298993 395178 597986 896979 1793958 2092951 4185902 6278853 12557706 29002321 58004642 87006963 174013926 203016247 406032494 609048741 1218097482 2813225137 5626450274 8439675411 16879350822 19692575959 39385151918 59077727877 118155455754