Base | Representation |
---|---|
bin | 100001101110111100… |
… | …1101011000100000111 |
3 | 20220222122002012001000 |
4 | 1003131321223010013 |
5 | 2141330221010241 |
6 | 53140215104343 |
7 | 5143121620644 |
oct | 1033571530407 |
9 | 226878065030 |
10 | 72442360071 |
11 | 287a4907374 |
12 | 120589720b3 |
13 | 6aa6445123 |
14 | 3713140dcb |
15 | 1d3ec52eb6 |
hex | 10dde6b107 |
72442360071 has 16 divisors (see below), whose sum is σ = 109939626720. Its totient is φ = 47116981440.
The previous prime is 72442360069. The next prime is 72442360097. The reversal of 72442360071 is 17006324427.
72442360071 is a `hidden beast` number, since 7 + 2 + 4 + 42 + 3 + 600 + 7 + 1 = 666.
It is not a de Polignac number, because 72442360071 - 21 = 72442360069 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72442360031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32719020 + ... + 32721233.
It is an arithmetic number, because the mean of its divisors is an integer number (6871226670).
Almost surely, 272442360071 is an apocalyptic number.
72442360071 is a deficient number, since it is larger than the sum of its proper divisors (37497266649).
72442360071 is a wasteful number, since it uses less digits than its factorization.
72442360071 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65440303 (or 65440297 counting only the distinct ones).
The product of its (nonzero) digits is 56448, while the sum is 36.
Adding to 72442360071 its reverse (17006324427), we get a palindrome (89448684498).
The spelling of 72442360071 in words is "seventy-two billion, four hundred forty-two million, three hundred sixty thousand, seventy-one".
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