Base | Representation |
---|---|
bin | 101001111111100011… |
… | …1111111010000000100 |
3 | 22121202202212212021102 |
4 | 1103333013333100010 |
5 | 2434141441130314 |
6 | 105232234235232 |
7 | 6341510131265 |
oct | 1237707772004 |
9 | 277682785242 |
10 | 90179630084 |
11 | 35277060905 |
12 | 15588b85b18 |
13 | 86720c697b |
14 | 4516ada96c |
15 | 252c0105de |
hex | 14ff1ff404 |
90179630084 has 12 divisors (see below), whose sum is σ = 157819576908. Its totient is φ = 45088322400.
The previous prime is 90179630081. The next prime is 90179630089. The reversal of 90179630084 is 48003697109.
It can be written as a sum of positive squares in 2 ways, for example, as 5405484484 + 84774145600 = 73522^2 + 291160^2 .
It is not an unprimeable number, because it can be changed into a prime (90179630081) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231227 + ... + 483554.
It is an arithmetic number, because the mean of its divisors is an integer number (13151631409).
Almost surely, 290179630084 is an apocalyptic number.
It is an amenable number.
90179630084 is a deficient number, since it is larger than the sum of its proper divisors (67639946824).
90179630084 is a wasteful number, since it uses less digits than its factorization.
90179630084 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 746326 (or 746324 counting only the distinct ones).
The product of its (nonzero) digits is 326592, while the sum is 47.
The spelling of 90179630084 in words is "ninety billion, one hundred seventy-nine million, six hundred thirty thousand, eighty-four".
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