Search a number
-
+
134512015 = 5116140093
BaseRepresentation
bin10000000010001…
…11110110001111
3100101002220210111
420001013312033
5233413341030
621203020451
73222222211
oct1001076617
9311086714
10134512015
1169a23960
123906a727
1321b38411
1413c165b1
15bc2062a
hex8047d8f

134512015 has 16 divisors (see below), whose sum is σ = 178979616. Its totient is φ = 96220800.

The previous prime is 134512013. The next prime is 134512033. The reversal of 134512015 is 510215431.

It is a happy number.

It is not a de Polignac number, because 134512015 - 21 = 134512013 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134512013) 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, 16692 + ... + 23401.

It is an arithmetic number, because the mean of its divisors is an integer number (11186226).

Almost surely, 2134512015 is an apocalyptic number.

134512015 is a deficient number, since it is larger than the sum of its proper divisors (44467601).

134512015 is a wasteful number, since it uses less digits than its factorization.

134512015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40170.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 134512015 is about 11597.9314966075. The cubic root of 134512015 is about 512.3739321088.

Adding to 134512015 its reverse (510215431), we get a palindrome (644727446).

The spelling of 134512015 in words is "one hundred thirty-four million, five hundred twelve thousand, fifteen".

Divisors: 1 5 11 55 61 305 671 3355 40093 200465 441023 2205115 2445673 12228365 26902403 134512015