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118494732190 = 25711163143503
BaseRepresentation
bin110111001011011010…
…1100001111110011110
3102022212002202002020211
41232112311201332132
53420134122412230
6130234041203034
711363260414342
oct1562665417636
9368762662224
10118494732190
114628720713a
121ab6b79047a
13b23539c463
145a41471622
153137c6a42a
hex1b96d61f9e

118494732190 has 32 divisors (see below), whose sum is σ = 216482098176. Its totient is φ = 46689810720.

The previous prime is 118494732151. The next prime is 118494732193. The reversal of 118494732190 is 91237494811.

It is a super-2 number, since 2×1184947321902 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118494732193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 753979 + ... + 897481.

It is an arithmetic number, because the mean of its divisors is an integer number (6765065568).

Almost surely, 2118494732190 is an apocalyptic number.

118494732190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118494732190 is a deficient number, since it is larger than the sum of its proper divisors (97987365986).

118494732190 is a wasteful number, since it uses less digits than its factorization.

118494732190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144744.

The product of its (nonzero) digits is 435456, while the sum is 49.

The spelling of 118494732190 in words is "one hundred eighteen billion, four hundred ninety-four million, seven hundred thirty-two thousand, one hundred ninety".

Divisors: 1 2 5 10 71 142 355 710 1163 2326 5815 11630 82573 143503 165146 287006 412865 717515 825730 1435030 10188713 20377426 50943565 101887130 166893989 333787978 834469945 1668939890 11849473219 23698946438 59247366095 118494732190