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138118060 = 22514814663
BaseRepresentation
bin10000011101110…
…00001110101100
3100121220010100201
420032320032230
5240324234220
621412203244
73264661363
oct1016701654
9317803321
10138118060
1170a67163
123a309524
13227cb882
14144b47da
15c1d3d0a
hex83b83ac

138118060 has 24 divisors (see below), whose sum is σ = 290306016. Its totient is φ = 55198080.

The previous prime is 138118037. The next prime is 138118067. The reversal of 138118060 is 60811831.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (138118067) 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 7 ways as a sum of consecutive naturals, for example, 27289 + ... + 31951.

It is an arithmetic number, because the mean of its divisors is an integer number (12096084).

Almost surely, 2138118060 is an apocalyptic number.

138118060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138118060 is an abundant number, since it is smaller than the sum of its proper divisors (152187956).

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

138118060 is a wasteful number, since it uses less digits than its factorization.

138118060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6153 (or 6151 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 138118060 is about 11752.3640175073. The cubic root of 138118060 is about 516.9122486117.

Adding to 138118060 its reverse (60811831), we get a palindrome (198929891).

The spelling of 138118060 in words is "one hundred thirty-eight million, one hundred eighteen thousand, sixty".

Divisors: 1 2 4 5 10 20 1481 2962 4663 5924 7405 9326 14810 18652 23315 29620 46630 93260 6905903 13811806 27623612 34529515 69059030 138118060