Base | Representation |
---|---|
bin | 100001100001110110… |
… | …0100000001110101101 |
3 | 20212211222210011002021 |
4 | 1003003230200032231 |
5 | 2134430142401310 |
6 | 53024431430141 |
7 | 5126202565522 |
oct | 1030354401655 |
9 | 225758704067 |
10 | 72002700205 |
11 | 28599713407 |
12 | 11b55685351 |
13 | 6a36328a67 |
14 | 36b09b5149 |
15 | 1d163585da |
hex | 10c3b203ad |
72002700205 has 16 divisors (see below), whose sum is σ = 86524364160. Its totient is φ = 57521475648.
The previous prime is 72002700173. The next prime is 72002700221. The reversal of 72002700205 is 50200720027.
It is a cyclic number.
It is not a de Polignac number, because 72002700205 - 25 = 72002700173 is a prime.
It is a super-3 number, since 3×720027002053 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a self number, because there is not a number n which added to its sum of digits gives 72002700205.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19926979 + ... + 19930591.
It is an arithmetic number, because the mean of its divisors is an integer number (5407772760).
Almost surely, 272002700205 is an apocalyptic number.
It is an amenable number.
72002700205 is a deficient number, since it is larger than the sum of its proper divisors (14521663955).
72002700205 is a wasteful number, since it uses less digits than its factorization.
72002700205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8100.
The product of its (nonzero) digits is 1960, while the sum is 25.
The spelling of 72002700205 in words is "seventy-two billion, two million, seven hundred thousand, two hundred five".
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