Base | Representation |
---|---|
bin | 100001101101010000… |
… | …1010001101111110100 |
3 | 20220211200100011111022 |
4 | 1003122201101233310 |
5 | 2141221210231033 |
6 | 53130431200312 |
7 | 5141532505454 |
oct | 1033241215764 |
9 | 226750304438 |
10 | 72385633268 |
11 | 28775891713 |
12 | 12041976098 |
13 | 6a97772c80 |
14 | 37097b5d64 |
15 | 1d39c9a098 |
hex | 10da851bf4 |
72385633268 has 96 divisors (see below), whose sum is σ = 148692311040. Its totient is φ = 30534174720.
The previous prime is 72385633267. The next prime is 72385633289. The reversal of 72385633268 is 86233658327.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72385633267) 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, 10318130 + ... + 10325142.
It is an arithmetic number, because the mean of its divisors is an integer number (1548878240).
Almost surely, 272385633268 is an apocalyptic number.
It is an amenable number.
72385633268 is an abundant number, since it is smaller than the sum of its proper divisors (76306677772).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72385633268 is a wasteful number, since it uses less digits than its factorization.
72385633268 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7417 (or 7415 counting only the distinct ones).
The product of its digits is 8709120, while the sum is 53.
The spelling of 72385633268 in words is "seventy-two billion, three hundred eighty-five million, six hundred thirty-three thousand, two hundred sixty-eight".
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