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136006015 = 5234725163
BaseRepresentation
bin10000001101101…
…00100101111111
3100110220211011211
420012310211333
5234304143030
621255025251
73241013665
oct1006644577
9313824154
10136006015
116a854372
123966b227
132223c442
14140c4c35
15be1812a
hex81b497f

136006015 has 16 divisors (see below), whose sum is σ = 173933568. Its totient is φ = 101855776.

The previous prime is 136006007. The next prime is 136006019. The reversal of 136006015 is 510600631.

It is not a de Polignac number, because 136006015 - 23 = 136006007 is a prime.

It is a super-2 number, since 2×1360060152 = 36995272232360450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136006019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7177 + ... + 17986.

It is an arithmetic number, because the mean of its divisors is an integer number (10870848).

Almost surely, 2136006015 is an apocalyptic number.

136006015 is a deficient number, since it is larger than the sum of its proper divisors (37927553).

136006015 is a wasteful number, since it uses less digits than its factorization.

136006015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25238.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 136006015 is about 11662.1616778366. The cubic root of 136006015 is about 514.2638995193.

Adding to 136006015 its reverse (510600631), we get a palindrome (646606646).

The spelling of 136006015 in words is "one hundred thirty-six million, six thousand, fifteen".

Divisors: 1 5 23 47 115 235 1081 5405 25163 125815 578749 1182661 2893745 5913305 27201203 136006015