Base | Representation |
---|---|
bin | 100001111001110101… |
… | …1001110101111100100 |
3 | 20221221002110222220020 |
4 | 1003303223032233210 |
5 | 2143102231012204 |
6 | 53240345035140 |
7 | 5155146002436 |
oct | 1036353165744 |
9 | 227832428806 |
10 | 72807672804 |
11 | 28972040219 |
12 | 1213b185ab0 |
13 | 6b340300c9 |
14 | 3749876656 |
15 | 1d61d63bd9 |
hex | 10f3acebe4 |
72807672804 has 24 divisors (see below), whose sum is σ = 170764806240. Its totient is φ = 24143476224.
The previous prime is 72807672767. The next prime is 72807672829. The reversal of 72807672804 is 40827670827.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15716094 + ... + 15720725.
It is an arithmetic number, because the mean of its divisors is an integer number (7115200260).
Almost surely, 272807672804 is an apocalyptic number.
It is an amenable number.
72807672804 is an abundant number, since it is smaller than the sum of its proper divisors (97957133436).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72807672804 is a wasteful number, since it uses less digits than its factorization.
72807672804 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31437019 (or 31437017 counting only the distinct ones).
The product of its (nonzero) digits is 2107392, while the sum is 51.
The spelling of 72807672804 in words is "seventy-two billion, eight hundred seven million, six hundred seventy-two thousand, eight hundred four".
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