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118285130 = 2527974229
BaseRepresentation
bin1110000110011…
…10001101001010
322020120111200202
413003032031022
5220240111010
615423132202
72634256415
oct703161512
9266514622
10118285130
1160850407
1233744062
131b676502
14119d0b7c
15a5b76a5
hex70ce34a

118285130 has 16 divisors (see below), whose sum is σ = 213039720. Its totient is φ = 47285952.

The previous prime is 118285091. The next prime is 118285157. The reversal of 118285130 is 31582811.

It can be written as a sum of positive squares in 4 ways, for example, as 118222129 + 63001 = 10873^2 + 251^2 .

It is a junction number, because it is equal to n+sod(n) for n = 118285093 and 118285102.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 25856 + ... + 30084.

Almost surely, 2118285130 is an apocalyptic number.

118285130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118285130 is a deficient number, since it is larger than the sum of its proper divisors (94754590).

118285130 is a wasteful number, since it uses less digits than its factorization.

118285130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7033.

The product of its (nonzero) digits is 1920, while the sum is 29.

The square root of 118285130 is about 10875.8967446367. The cubic root of 118285130 is about 490.8815589477.

The spelling of 118285130 in words is "one hundred eighteen million, two hundred eighty-five thousand, one hundred thirty".

Divisors: 1 2 5 10 2797 4229 5594 8458 13985 21145 27970 42290 11828513 23657026 59142565 118285130