Base | Representation |
---|---|
bin | 100001100010101101… |
… | …0100010101101101111 |
3 | 20212221000001200101022 |
4 | 1003011122202231233 |
5 | 2140010033434343 |
6 | 53031342004355 |
7 | 5130003016640 |
oct | 1030532425557 |
9 | 225830050338 |
10 | 72031546223 |
11 | 28603a2589a |
12 | 11b632766bb |
13 | 6a3c2b8700 |
14 | 36b47636c7 |
15 | 1d18b55568 |
hex | 10c56a2b6f |
72031546223 has 12 divisors (see below), whose sum is σ = 89141323248. Its totient is φ = 56991991680.
The previous prime is 72031546219. The next prime is 72031546241. The reversal of 72031546223 is 32264513027.
It is not a de Polignac number, because 72031546223 - 22 = 72031546219 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72031546723) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30443258 + ... + 30445623.
It is an arithmetic number, because the mean of its divisors is an integer number (7428443604).
Almost surely, 272031546223 is an apocalyptic number.
72031546223 is a deficient number, since it is larger than the sum of its proper divisors (17109777025).
72031546223 is a wasteful number, since it uses less digits than its factorization.
72031546223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60888914 (or 60888901 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 35.
The spelling of 72031546223 in words is "seventy-two billion, thirty-one million, five hundred forty-six thousand, two hundred twenty-three".
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