Base | Representation |
---|---|
bin | 100001100110000011… |
… | …0110010001011110111 |
3 | 20220012211022010112010 |
4 | 1003030012302023313 |
5 | 2140222303312343 |
6 | 53050432055303 |
7 | 5132535146325 |
oct | 1031406621367 |
9 | 226184263463 |
10 | 72143807223 |
11 | 28661331184 |
12 | 11b94994533 |
13 | 6a59632c37 |
14 | 36c5626d15 |
15 | 1d2392cd33 |
hex | 10cc1b22f7 |
72143807223 has 16 divisors (see below), whose sum is σ = 97117128576. Its totient is φ = 47633423520.
The previous prime is 72143807209. The next prime is 72143807249. The reversal of 72143807223 is 32270834127.
It is not a de Polignac number, because 72143807223 - 26 = 72143807159 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72143807623) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1233265 + ... + 1290437.
It is an arithmetic number, because the mean of its divisors is an integer number (6069820536).
Almost surely, 272143807223 is an apocalyptic number.
72143807223 is a deficient number, since it is larger than the sum of its proper divisors (24973321353).
72143807223 is a wasteful number, since it uses less digits than its factorization.
72143807223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61214.
The product of its (nonzero) digits is 112896, while the sum is 39.
The spelling of 72143807223 in words is "seventy-two billion, one hundred forty-three million, eight hundred seven thousand, two hundred twenty-three".
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