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118810216 = 23729149491
BaseRepresentation
bin1110001010011…
…10011001101000
322021120011222101
413011032121220
5220403411331
615442303144
72641604320
oct705163150
9267504871
10118810216
1161079968
1233957ab4
131b7cb505
1411aca280
15a66d061
hex714e668

118810216 has 64 divisors (see below), whose sum is σ = 265680000. Its totient is φ = 48733440.

The previous prime is 118810207. The next prime is 118810217. The reversal of 118810216 is 612018811.

It is a super-5 number, since 5×1188102165 (a number of 42 digits) contains 55555 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (118810217) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 241731 + ... + 242221.

It is an arithmetic number, because the mean of its divisors is an integer number (4151250).

Almost surely, 2118810216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118810216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132840000).

118810216 is an abundant number, since it is smaller than the sum of its proper divisors (146869784).

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

118810216 is a wasteful number, since it uses less digits than its factorization.

118810216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 28.

The square root of 118810216 is about 10900.0099082524. The cubic root of 118810216 is about 491.6068531789.

The spelling of 118810216 in words is "one hundred eighteen million, eight hundred ten thousand, two hundred sixteen".

Divisors: 1 2 4 7 8 14 28 29 56 58 116 149 203 232 298 406 491 596 812 982 1043 1192 1624 1964 2086 3437 3928 4172 4321 6874 8344 8642 13748 14239 17284 27496 28478 30247 34568 56956 60494 73159 99673 113912 120988 146318 199346 241976 292636 398692 512113 585272 797384 1024226 2048452 2121611 4096904 4243222 8486444 14851277 16972888 29702554 59405108 118810216