Base | Representation |
---|---|
bin | 100001111100001001… |
… | …0100010000101111111 |
3 | 20222010111010220211200 |
4 | 1003320102202011333 |
5 | 2143232040201133 |
6 | 53252152150543 |
7 | 5160105665565 |
oct | 1037022420577 |
9 | 228114126750 |
10 | 72885084543 |
11 | 28a01803867 |
12 | 12161098453 |
13 | 6b4709537b |
14 | 3755c67a35 |
15 | 1d68a55913 |
hex | 10f84a217f |
72885084543 has 6 divisors (see below), whose sum is σ = 105278455464. Its totient is φ = 48590056356.
The previous prime is 72885084479. The next prime is 72885084557. The reversal of 72885084543 is 34548058827.
72885084543 is a `hidden beast` number, since 7 + 2 + 88 + 508 + 4 + 54 + 3 = 666.
It is not a de Polignac number, because 72885084543 - 26 = 72885084479 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 72885084543.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72885085543) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4049171355 + ... + 4049171372.
It is an arithmetic number, because the mean of its divisors is an integer number (17546409244).
Almost surely, 272885084543 is an apocalyptic number.
72885084543 is a deficient number, since it is larger than the sum of its proper divisors (32393370921).
72885084543 is a wasteful number, since it uses less digits than its factorization.
72885084543 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8098342733 (or 8098342730 counting only the distinct ones).
The product of its (nonzero) digits is 8601600, while the sum is 54.
The spelling of 72885084543 in words is "seventy-two billion, eight hundred eighty-five million, eighty-four thousand, five hundred forty-three".
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