Base | Representation |
---|---|
bin | 100001111001010010… |
… | …0000000111010000100 |
3 | 20221212210100111222122 |
4 | 1003302210000322010 |
5 | 2143032441111113 |
6 | 53234440545112 |
7 | 5154531216245 |
oct | 1036244007204 |
9 | 227783314878 |
10 | 72789003908 |
11 | 28962549a85 |
12 | 12134a82198 |
13 | 6b301c481a |
14 | 37471b6ccc |
15 | 1d603c7408 |
hex | 10f2900e84 |
72789003908 has 12 divisors (see below), whose sum is σ = 131773196940. Its totient is φ = 35139519072.
The previous prime is 72789003871. The next prime is 72789003941. The reversal of 72789003908 is 80930098727.
It can be written as a sum of positive squares in 2 ways, for example, as 33095614084 + 39693389824 = 181922^2 + 199232^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 72789003908.
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 3 ways as a sum of consecutive naturals, for example, 313745591 + ... + 313745822.
It is an arithmetic number, because the mean of its divisors is an integer number (10981099745).
Almost surely, 272789003908 is an apocalyptic number.
It is an amenable number.
72789003908 is a deficient number, since it is larger than the sum of its proper divisors (58984193032).
72789003908 is a wasteful number, since it uses less digits than its factorization.
72789003908 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 627491446 (or 627491444 counting only the distinct ones).
The product of its (nonzero) digits is 1524096, while the sum is 53.
The spelling of 72789003908 in words is "seventy-two billion, seven hundred eighty-nine million, three thousand, nine hundred eight".
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