Base | Representation |
---|---|
bin | 100001100011101101… |
… | …0001111000001101010 |
3 | 20220000100001022210012 |
4 | 1003013122033001222 |
5 | 2140042121120020 |
6 | 53034535251522 |
7 | 5130560364104 |
oct | 1030732170152 |
9 | 226010038705 |
10 | 72065020010 |
11 | 28620909185 |
12 | 11b72519ba2 |
13 | 6a46208899 |
14 | 36b8d98574 |
15 | 1d1ba687c5 |
hex | 10c768f06a |
72065020010 has 64 divisors (see below), whose sum is σ = 141352905600. Its totient is φ = 26348458752.
The previous prime is 72065020007. The next prime is 72065020033. The reversal of 72065020010 is 1002056027.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9545057 + ... + 9552603.
It is an arithmetic number, because the mean of its divisors is an integer number (2208639150).
Almost surely, 272065020010 is an apocalyptic number.
72065020010 is a deficient number, since it is larger than the sum of its proper divisors (69287885590).
72065020010 is a wasteful number, since it uses less digits than its factorization.
72065020010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9335.
The product of its (nonzero) digits is 840, while the sum is 23.
Adding to 72065020010 its reverse (1002056027), we get a palindrome (73067076037).
The spelling of 72065020010 in words is "seventy-two billion, sixty-five million, twenty thousand, ten".
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