Base | Representation |
---|---|
bin | 100001110101001111… |
… | …0111111110111101000 |
3 | 20221112100022202002000 |
4 | 1003222132333313220 |
5 | 2142243242034313 |
6 | 53213200011000 |
7 | 5151264213213 |
oct | 1035236776750 |
9 | 227470282060 |
10 | 72653471208 |
11 | 288a2a9928a |
12 | 120b7600a60 |
13 | 6b0b0bc966 |
14 | 37331b677a |
15 | 1d53554673 |
hex | 10ea7bfde8 |
72653471208 has 64 divisors (see below), whose sum is σ = 202860988800. Its totient is φ = 24092328960.
The previous prime is 72653471207. The next prime is 72653471227. The reversal of 72653471208 is 80217435627.
72653471208 is a `hidden beast` number, since 7 + 26 + 534 + 71 + 20 + 8 = 666.
It is not an unprimeable number, because it can be changed into a prime (72653471201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 829708 + ... + 913083.
It is an arithmetic number, because the mean of its divisors is an integer number (3169702950).
Almost surely, 272653471208 is an apocalyptic number.
It is an amenable number.
72653471208 is an abundant number, since it is smaller than the sum of its proper divisors (130207517592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72653471208 is a wasteful number, since it uses less digits than its factorization.
72653471208 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1742999 (or 1742989 counting only the distinct ones).
The product of its (nonzero) digits is 564480, while the sum is 45.
The spelling of 72653471208 in words is "seventy-two billion, six hundred fifty-three million, four hundred seventy-one thousand, two hundred eight".
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