Base | Representation |
---|---|
bin | 1101000101000… |
… | …00010011100011 |
3 | 21122102202210100 |
4 | 12202200103203 |
5 | 211041133030 |
6 | 14515233443 |
7 | 2501335620 |
oct | 642402343 |
9 | 248382710 |
10 | 109708515 |
11 | 56a226a4 |
12 | 308a8883 |
13 | 199627a7 |
14 | 107db347 |
15 | 9971360 |
hex | 68a04e3 |
109708515 has 48 divisors (see below), whose sum is σ = 223224768. Its totient is φ = 48791808.
The previous prime is 109708483. The next prime is 109708519. The reversal of 109708515 is 515807901.
It is not a de Polignac number, because 109708515 - 25 = 109708483 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 109708515.
It is not an unprimeable number, because it can be changed into a prime (109708519) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6949 + ... + 16361.
It is an arithmetic number, because the mean of its divisors is an integer number (4650516).
Almost surely, 2109708515 is an apocalyptic number.
109708515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
109708515 is an abundant number, since it is smaller than the sum of its proper divisors (113516253).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
109708515 is a wasteful number, since it uses less digits than its factorization.
109708515 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9468 (or 9465 counting only the distinct ones).
The product of its (nonzero) digits is 12600, while the sum is 36.
The square root of 109708515 is about 10474.1832617154. The cubic root of 109708515 is about 478.7183910214.
The spelling of 109708515 in words is "one hundred nine million, seven hundred eight thousand, five hundred fifteen".
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