Base | Representation |
---|---|
bin | 100001101000000110… |
… | …0000101001011011000 |
3 | 20220101121012011021000 |
4 | 1003100030011023120 |
5 | 2140342322221400 |
6 | 53101320145000 |
7 | 5134326314202 |
oct | 1032014051330 |
9 | 226347164230 |
10 | 72212304600 |
11 | 28696a66287 |
12 | 11bb3908160 |
13 | 6a6a896827 |
14 | 36d0777772 |
15 | 1d2995d600 |
hex | 10d03052d8 |
72212304600 has 96 divisors (see below), whose sum is σ = 248731290000. Its totient is φ = 19256613120.
The previous prime is 72212304569. The next prime is 72212304641. The reversal of 72212304600 is 640321227.
72212304600 is a `hidden beast` number, since 7 + 2 + 21 + 2 + 30 + 4 + 600 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6680925 + ... + 6691724.
Almost surely, 272212304600 is an apocalyptic number.
It is an amenable number.
72212304600 is an abundant number, since it is smaller than the sum of its proper divisors (176518985400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72212304600 is a wasteful number, since it uses less digits than its factorization.
72212304600 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13372674 (or 13372659 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 27.
Adding to 72212304600 its reverse (640321227), we get a palindrome (72852625827).
The spelling of 72212304600 in words is "seventy-two billion, two hundred twelve million, three hundred four thousand, six hundred".
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