Base | Representation |
---|---|
bin | 100001101011001100… |
… | …0001000100000000110 |
3 | 20220122211112220010220 |
4 | 1003112120020200012 |
5 | 2141100412032423 |
6 | 53115505325210 |
7 | 5140026640125 |
oct | 1032630104006 |
9 | 226584486126 |
10 | 72316127238 |
11 | 2873a628813 |
12 | 12022636806 |
13 | 6a86248244 |
14 | 3700481abc |
15 | 1d33b1a9e3 |
hex | 10d6608806 |
72316127238 has 64 divisors (see below), whose sum is σ = 150495780864. Its totient is φ = 23141376000.
The previous prime is 72316127231. The next prime is 72316127239. The reversal of 72316127238 is 83272161327.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 72316127238.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72316127231) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12144870 + ... + 12150822.
It is an arithmetic number, because the mean of its divisors is an integer number (2351496576).
Almost surely, 272316127238 is an apocalyptic number.
72316127238 is an abundant number, since it is smaller than the sum of its proper divisors (78179653626).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72316127238 is a wasteful number, since it uses less digits than its factorization.
72316127238 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6501.
The product of its digits is 169344, while the sum is 42.
The spelling of 72316127238 in words is "seventy-two billion, three hundred sixteen million, one hundred twenty-seven thousand, two hundred thirty-eight".
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