Base | Representation |
---|---|
bin | 100001111111011100… |
… | …1010010001001000000 |
3 | 20222102012200020110020 |
4 | 1003332321102021000 |
5 | 2143443422443422 |
6 | 53311151333440 |
7 | 5162622651543 |
oct | 1037671221100 |
9 | 228365606406 |
10 | 72995906112 |
11 | 28a59316738 |
12 | 12192221280 |
13 | 6b6402766c |
14 | 376687485a |
15 | 1d7364695c |
hex | 10fee52240 |
72995906112 has 112 divisors (see below), whose sum is σ = 196720065792. Its totient is φ = 23882918400.
The previous prime is 72995906111. The next prime is 72995906131. The reversal of 72995906112 is 21160959927.
It is a super-2 number, since 2×729959061122 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (72995906111) 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, 3630487 + ... + 3650537.
Almost surely, 272995906112 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 72995906112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98360032896).
72995906112 is an abundant number, since it is smaller than the sum of its proper divisors (123724159680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72995906112 is a wasteful number, since it uses less digits than its factorization.
72995906112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20416 (or 20406 counting only the distinct ones).
The product of its (nonzero) digits is 612360, while the sum is 51.
The spelling of 72995906112 in words is "seventy-two billion, nine hundred ninety-five million, nine hundred six thousand, one hundred twelve".
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