Search a number
-
+
28229321302318 = 279987118100151
BaseRepresentation
bin1100110101100101001101…
…01010110010000100101110
310200221200210221100002012101
412122302212222302010232
512200002122223133233
6140012212101325314
75642333616654433
oct632624652620456
9120850727302171
1028229321302318
118aa3a95a35924
1231bb04670683a
13129a023a9ab96
146d8440c35b8a
1533e4994d3c7d
hex19aca6ab212e

28229321302318 has 16 divisors (see below), whose sum is σ = 42884328130560. Its totient is φ = 13934581479000.

The previous prime is 28229321302313. The next prime is 28229321302349. The reversal of 28229321302318 is 81320312392282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28229321302313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7490458 + ... + 10609693.

It is an arithmetic number, because the mean of its divisors is an integer number (2680270508160).

Almost surely, 228229321302318 is an apocalyptic number.

28229321302318 is a deficient number, since it is larger than the sum of its proper divisors (14655006828242).

28229321302318 is a wasteful number, since it uses less digits than its factorization.

28229321302318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18110103.

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 28229321302318 in words is "twenty-eight trillion, two hundred twenty-nine billion, three hundred twenty-one million, three hundred two thousand, three hundred eighteen".

Divisors: 1 2 79 158 9871 19742 779809 1559618 18100151 36200302 1429911929 2859823858 178666590521 357333181042 14114660651159 28229321302318