Base | Representation |
---|---|
bin | 100001110000010010… |
… | …1101010111000110000 |
3 | 20221002202220220012110 |
4 | 1003200211222320300 |
5 | 2141423241314422 |
6 | 53144505325320 |
7 | 5144210066652 |
oct | 1034045527060 |
9 | 227082826173 |
10 | 72487448112 |
11 | 28818302712 |
12 | 1206ba96840 |
13 | 6ab28a0841 |
14 | 371911a6d2 |
15 | 1d43bac60c |
hex | 10e096ae30 |
72487448112 has 80 divisors (see below), whose sum is σ = 208710034560. Its totient is φ = 21544252416.
The previous prime is 72487448107. The next prime is 72487448123. The reversal of 72487448112 is 21184478427.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2322198 + ... + 2353205.
It is an arithmetic number, because the mean of its divisors is an integer number (2608875432).
Almost surely, 272487448112 is an apocalyptic number.
It is an amenable number.
72487448112 is an abundant number, since it is smaller than the sum of its proper divisors (136222586448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72487448112 is a wasteful number, since it uses less digits than its factorization.
72487448112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4675450 (or 4675444 counting only the distinct ones).
The product of its digits is 802816, while the sum is 48.
The spelling of 72487448112 in words is "seventy-two billion, four hundred eighty-seven million, four hundred forty-eight thousand, one hundred twelve".
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