Base | Representation |
---|---|
bin | 100001100111101110… |
… | …1001001001000000000 |
3 | 20220100202001000112002 |
4 | 1003033131021020000 |
5 | 2140331200000000 |
6 | 53100200323132 |
7 | 5134116605552 |
oct | 1031735111000 |
9 | 226322030462 |
10 | 72200000000 |
11 | 28690021697 |
12 | 11bab7734a8 |
13 | 6a68178cbb |
14 | 36ccc934d2 |
15 | 1d2882c8d5 |
hex | 10cf749200 |
72200000000 has 270 divisors, whose sum is σ = 190313867403. Its totient is φ = 27360000000.
The previous prime is 72199999933. The next prime is 72200000021. The reversal of 72200000000 is 227.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 5 ways, for example, as 68828571904 + 3371428096 = 262352^2 + 58064^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=190000.
It is a nialpdrome in base 10.
It is an unprimeable number.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3799999991 + ... + 3800000009.
Almost surely, 272200000000 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 72200000000
72200000000 is an abundant number, since it is smaller than the sum of its proper divisors (118113867403).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72200000000 is an frugal number, since it uses more digits than its factorization.
72200000000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 96 (or 26 counting only the distinct ones).
The product of its (nonzero) digits is 28, while the sum is 11.
Adding to 72200000000 its reverse (227), we get a palindrome (72200000227).
It can be divided in two parts, 72 and 200000000, that multiplied together give a square (14400000000 = 1200002).
The spelling of 72200000000 in words is "seventy-two billion, two hundred million", and thus it is an aban number.
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