Base | Representation |
---|---|
bin | 100001111011001010… |
… | …0000110110010010100 |
3 | 20222001011210010120101 |
4 | 1003312110012302110 |
5 | 2143200044130143 |
6 | 53245005543444 |
7 | 5156224202650 |
oct | 1036624066224 |
9 | 228034703511 |
10 | 72851942548 |
11 | 28995027790 |
12 | 12151b74b84 |
13 | 6b40260218 |
14 | 37516bba60 |
15 | 1d65baab4d |
hex | 10f6506c94 |
72851942548 has 48 divisors (see below), whose sum is σ = 160110002304. Its totient is φ = 28176675840.
The previous prime is 72851942543. The next prime is 72851942563. The reversal of 72851942548 is 84524915827.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72851942543) 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, 821061 + ... + 905452.
It is an arithmetic number, because the mean of its divisors is an integer number (3335625048).
Almost surely, 272851942548 is an apocalyptic number.
It is an amenable number.
72851942548 is an abundant number, since it is smaller than the sum of its proper divisors (87258059756).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72851942548 is a wasteful number, since it uses less digits than its factorization.
72851942548 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1726672 (or 1726670 counting only the distinct ones).
The product of its digits is 6451200, while the sum is 55.
The spelling of 72851942548 in words is "seventy-two billion, eight hundred fifty-one million, nine hundred forty-two thousand, five hundred forty-eight".
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